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Finding the Fourth Proportional to 22,687.84, 34,033.28 and 6,047.68

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Solution

The fourth proportional to 22,687.84, 34,033.28 and 6,047.68 is: 9,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.84 : 34,033.28 = 6,047.68 : x
  2. Step 2: Convert to fraction form
    22,687.84/34,033.28 = 6,047.68/x
  3. Step 3: Cross multiply
    22,687.84x = 34,033.28 × 6,047.68
  4. Step 4: Simplify right side
    22,687.84x = 205,822,386.79
  5. Step 5: Solve for x
    x = 205,822,386.79/22,687.84
  6. Step 6: Final answer
    x = 9,071.93

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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.