Home / 28,402.49-39,195.59-16,472.90

Finding the Fourth Proportional to 28,402.49, 39,195.59 and 16,472.90

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Solution

The fourth proportional to 28,402.49, 39,195.59 and 16,472.90 is: 22,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.49 : 39,195.59 = 16,472.90 : x
  2. Step 2: Convert to fraction form
    28,402.49/39,195.59 = 16,472.90/x
  3. Step 3: Cross multiply
    28,402.49x = 39,195.59 × 16,472.90
  4. Step 4: Simplify right side
    28,402.49x = 645,664,756.17
  5. Step 5: Solve for x
    x = 645,664,756.17/28,402.49
  6. Step 6: Final answer
    x = 22,732.69

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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.