Home / 21,747.72-32,597.28-14,357.28

Finding the Fourth Proportional to 21,747.72, 32,597.28 and 14,357.28

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Solution

The fourth proportional to 21,747.72, 32,597.28 and 14,357.28 is: 21,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.72 : 32,597.28 = 14,357.28 : x
  2. Step 2: Convert to fraction form
    21,747.72/32,597.28 = 14,357.28/x
  3. Step 3: Cross multiply
    21,747.72x = 32,597.28 × 14,357.28
  4. Step 4: Simplify right side
    21,747.72x = 468,008,276.20
  5. Step 5: Solve for x
    x = 468,008,276.20/21,747.72
  6. Step 6: Final answer
    x = 21,519.88

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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.