Home / 21,787.26-32,639.23-14,732.70

Finding the Fourth Proportional to 21,787.26, 32,639.23 and 14,732.70

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Solution

The fourth proportional to 21,787.26, 32,639.23 and 14,732.70 is: 22,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.26 : 32,639.23 = 14,732.70 : x
  2. Step 2: Convert to fraction form
    21,787.26/32,639.23 = 14,732.70/x
  3. Step 3: Cross multiply
    21,787.26x = 32,639.23 × 14,732.70
  4. Step 4: Simplify right side
    21,787.26x = 480,863,983.82
  5. Step 5: Solve for x
    x = 480,863,983.82/21,787.26
  6. Step 6: Final answer
    x = 22,070.88

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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.