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Finding the Fourth Proportional to 27,164.96, 40,737.42 and 9,391.12

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Solution

The fourth proportional to 27,164.96, 40,737.42 and 9,391.12 is: 14,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.96 : 40,737.42 = 9,391.12 : x
  2. Step 2: Convert to fraction form
    27,164.96/40,737.42 = 9,391.12/x
  3. Step 3: Cross multiply
    27,164.96x = 40,737.42 × 9,391.12
  4. Step 4: Simplify right side
    27,164.96x = 382,569,999.71
  5. Step 5: Solve for x
    x = 382,569,999.71/27,164.96
  6. Step 6: Final answer
    x = 14,083.22

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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.