Home / 52,261.96-72,123.07-28,390.25

Finding the Fourth Proportional to 52,261.96, 72,123.07 and 28,390.25

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Solution

The fourth proportional to 52,261.96, 72,123.07 and 28,390.25 is: 39,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.96 : 72,123.07 = 28,390.25 : x
  2. Step 2: Convert to fraction form
    52,261.96/72,123.07 = 28,390.25/x
  3. Step 3: Cross multiply
    52,261.96x = 72,123.07 × 28,390.25
  4. Step 4: Simplify right side
    52,261.96x = 2,047,591,988.07
  5. Step 5: Solve for x
    x = 2,047,591,988.07/52,261.96
  6. Step 6: Final answer
    x = 39,179.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.