Home / 21,426.03-32,151.19-11,565.09

Finding the Fourth Proportional to 21,426.03, 32,151.19 and 11,565.09

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Solution

The fourth proportional to 21,426.03, 32,151.19 and 11,565.09 is: 17,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.03 : 32,151.19 = 11,565.09 : x
  2. Step 2: Convert to fraction form
    21,426.03/32,151.19 = 11,565.09/x
  3. Step 3: Cross multiply
    21,426.03x = 32,151.19 × 11,565.09
  4. Step 4: Simplify right side
    21,426.03x = 371,831,245.20
  5. Step 5: Solve for x
    x = 371,831,245.20/21,426.03
  6. Step 6: Final answer
    x = 17,354.19

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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.