Home / 28,532.28-39,374.52-15,957

Finding the Fourth Proportional to 28,532.28, 39,374.52 and 15,957

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Solution

The fourth proportional to 28,532.28, 39,374.52 and 15,957 is: 22,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.28 : 39,374.52 = 15,957 : x
  2. Step 2: Convert to fraction form
    28,532.28/39,374.52 = 15,957/x
  3. Step 3: Cross multiply
    28,532.28x = 39,374.52 × 15,957
  4. Step 4: Simplify right side
    28,532.28x = 628,299,215.64
  5. Step 5: Solve for x
    x = 628,299,215.64/28,532.28
  6. Step 6: Final answer
    x = 22,020.65

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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.