Home / 21,497.28-29,677.38-16,706.52

Finding the Fourth Proportional to 21,497.28, 29,677.38 and 16,706.52

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Solution

The fourth proportional to 21,497.28, 29,677.38 and 16,706.52 is: 23,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.28 : 29,677.38 = 16,706.52 : x
  2. Step 2: Convert to fraction form
    21,497.28/29,677.38 = 16,706.52/x
  3. Step 3: Cross multiply
    21,497.28x = 29,677.38 × 16,706.52
  4. Step 4: Simplify right side
    21,497.28x = 495,805,742.52
  5. Step 5: Solve for x
    x = 495,805,742.52/21,497.28
  6. Step 6: Final answer
    x = 23,063.65

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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.