Home / 52,261.82-72,120.63-28,389.26

Finding the Fourth Proportional to 52,261.82, 72,120.63 and 28,389.26

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Solution

The fourth proportional to 52,261.82, 72,120.63 and 28,389.26 is: 39,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.82 : 72,120.63 = 28,389.26 : x
  2. Step 2: Convert to fraction form
    52,261.82/72,120.63 = 28,389.26/x
  3. Step 3: Cross multiply
    52,261.82x = 72,120.63 × 28,389.26
  4. Step 4: Simplify right side
    52,261.82x = 2,047,451,316.43
  5. Step 5: Solve for x
    x = 2,047,451,316.43/52,261.82
  6. Step 6: Final answer
    x = 39,176.81

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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.