Home / 21,377.10-32,008.05-15,501.90

Finding the Fourth Proportional to 21,377.10, 32,008.05 and 15,501.90

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Solution

The fourth proportional to 21,377.10, 32,008.05 and 15,501.90 is: 23,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.10 : 32,008.05 = 15,501.90 : x
  2. Step 2: Convert to fraction form
    21,377.10/32,008.05 = 15,501.90/x
  3. Step 3: Cross multiply
    21,377.10x = 32,008.05 × 15,501.90
  4. Step 4: Simplify right side
    21,377.10x = 496,185,590.30
  5. Step 5: Solve for x
    x = 496,185,590.30/21,377.10
  6. Step 6: Final answer
    x = 23,211.08

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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.