Home / 28,466.72-42,764.88-20,593.52

Finding the Fourth Proportional to 28,466.72, 42,764.88 and 20,593.52

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Solution

The fourth proportional to 28,466.72, 42,764.88 and 20,593.52 is: 30,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.72 : 42,764.88 = 20,593.52 : x
  2. Step 2: Convert to fraction form
    28,466.72/42,764.88 = 20,593.52/x
  3. Step 3: Cross multiply
    28,466.72x = 42,764.88 × 20,593.52
  4. Step 4: Simplify right side
    28,466.72x = 880,679,411.58
  5. Step 5: Solve for x
    x = 880,679,411.58/28,466.72
  6. Step 6: Final answer
    x = 30,937.16

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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.