Home / 21,461.25-32,154.33-14,891.61

Finding the Fourth Proportional to 21,461.25, 32,154.33 and 14,891.61

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Solution

The fourth proportional to 21,461.25, 32,154.33 and 14,891.61 is: 22,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.25 : 32,154.33 = 14,891.61 : x
  2. Step 2: Convert to fraction form
    21,461.25/32,154.33 = 14,891.61/x
  3. Step 3: Cross multiply
    21,461.25x = 32,154.33 × 14,891.61
  4. Step 4: Simplify right side
    21,461.25x = 478,829,742.17
  5. Step 5: Solve for x
    x = 478,829,742.17/21,461.25
  6. Step 6: Final answer
    x = 22,311.36

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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.