Home / 21,419.52-32,125.60-5,837.16

Finding the Fourth Proportional to 21,419.52, 32,125.60 and 5,837.16

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Solution

The fourth proportional to 21,419.52, 32,125.60 and 5,837.16 is: 8,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419.52 : 32,125.60 = 5,837.16 : x
  2. Step 2: Convert to fraction form
    21,419.52/32,125.60 = 5,837.16/x
  3. Step 3: Cross multiply
    21,419.52x = 32,125.60 × 5,837.16
  4. Step 4: Simplify right side
    21,419.52x = 187,522,267.30
  5. Step 5: Solve for x
    x = 187,522,267.30/21,419.52
  6. Step 6: Final answer
    x = 8,754.74

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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.