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Finding the Fourth Proportional to 22,988.61, 34,470.53 and 6,975.92

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Solution

The fourth proportional to 22,988.61, 34,470.53 and 6,975.92 is: 10,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.61 : 34,470.53 = 6,975.92 : x
  2. Step 2: Convert to fraction form
    22,988.61/34,470.53 = 6,975.92/x
  3. Step 3: Cross multiply
    22,988.61x = 34,470.53 × 6,975.92
  4. Step 4: Simplify right side
    22,988.61x = 240,463,737.09
  5. Step 5: Solve for x
    x = 240,463,737.09/22,988.61
  6. Step 6: Final answer
    x = 10,460.13

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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.