Home / 28,327.35-42,459.84-11,678.25

Finding the Fourth Proportional to 28,327.35, 42,459.84 and 11,678.25

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Solution

The fourth proportional to 28,327.35, 42,459.84 and 11,678.25 is: 17,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.35 : 42,459.84 = 11,678.25 : x
  2. Step 2: Convert to fraction form
    28,327.35/42,459.84 = 11,678.25/x
  3. Step 3: Cross multiply
    28,327.35x = 42,459.84 × 11,678.25
  4. Step 4: Simplify right side
    28,327.35x = 495,856,626.48
  5. Step 5: Solve for x
    x = 495,856,626.48/28,327.35
  6. Step 6: Final answer
    x = 17,504.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.