Home / 41,727.91-57,553.11-28,981.12

Finding the Fourth Proportional to 41,727.91, 57,553.11 and 28,981.12

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Solution

The fourth proportional to 41,727.91, 57,553.11 and 28,981.12 is: 39,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,727.91 : 57,553.11 = 28,981.12 : x
  2. Step 2: Convert to fraction form
    41,727.91/57,553.11 = 28,981.12/x
  3. Step 3: Cross multiply
    41,727.91x = 57,553.11 × 28,981.12
  4. Step 4: Simplify right side
    41,727.91x = 1,667,953,307.93
  5. Step 5: Solve for x
    x = 1,667,953,307.93/41,727.91
  6. Step 6: Final answer
    x = 39,972.13

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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.