Home / 28,251.13-38,983.98-16,764.06

Finding the Fourth Proportional to 28,251.13, 38,983.98 and 16,764.06

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Solution

The fourth proportional to 28,251.13, 38,983.98 and 16,764.06 is: 23,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.13 : 38,983.98 = 16,764.06 : x
  2. Step 2: Convert to fraction form
    28,251.13/38,983.98 = 16,764.06/x
  3. Step 3: Cross multiply
    28,251.13x = 38,983.98 × 16,764.06
  4. Step 4: Simplify right side
    28,251.13x = 653,529,779.76
  5. Step 5: Solve for x
    x = 653,529,779.76/28,251.13
  6. Step 6: Final answer
    x = 23,132.87

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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.