Home / 57,764.10-86,673.88-28,165.76

Finding the Fourth Proportional to 57,764.10, 86,673.88 and 28,165.76

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Solution

The fourth proportional to 57,764.10, 86,673.88 and 28,165.76 is: 42,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.10 : 86,673.88 = 28,165.76 : x
  2. Step 2: Convert to fraction form
    57,764.10/86,673.88 = 28,165.76/x
  3. Step 3: Cross multiply
    57,764.10x = 86,673.88 × 28,165.76
  4. Step 4: Simplify right side
    57,764.10x = 2,441,235,702.35
  5. Step 5: Solve for x
    x = 2,441,235,702.35/57,764.10
  6. Step 6: Final answer
    x = 42,262.16

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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.