Home / 21,425.28-32,133.60-5,841.60

Finding the Fourth Proportional to 21,425.28, 32,133.60 and 5,841.60

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Solution

The fourth proportional to 21,425.28, 32,133.60 and 5,841.60 is: 8,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.28 : 32,133.60 = 5,841.60 : x
  2. Step 2: Convert to fraction form
    21,425.28/32,133.60 = 5,841.60/x
  3. Step 3: Cross multiply
    21,425.28x = 32,133.60 × 5,841.60
  4. Step 4: Simplify right side
    21,425.28x = 187,711,637.76
  5. Step 5: Solve for x
    x = 187,711,637.76/21,425.28
  6. Step 6: Final answer
    x = 8,761.22

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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.