Home / 52,715.78-72,747.95-28,842.38

Finding the Fourth Proportional to 52,715.78, 72,747.95 and 28,842.38

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Solution

The fourth proportional to 52,715.78, 72,747.95 and 28,842.38 is: 39,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.78 : 72,747.95 = 28,842.38 : x
  2. Step 2: Convert to fraction form
    52,715.78/72,747.95 = 28,842.38/x
  3. Step 3: Cross multiply
    52,715.78x = 72,747.95 × 28,842.38
  4. Step 4: Simplify right side
    52,715.78x = 2,098,223,510.17
  5. Step 5: Solve for x
    x = 2,098,223,510.17/52,715.78
  6. Step 6: Final answer
    x = 39,802.57

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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.