Home / 42,358.38-63,457.38-28,275.96

Finding the Fourth Proportional to 42,358.38, 63,457.38 and 28,275.96

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Solution

The fourth proportional to 42,358.38, 63,457.38 and 28,275.96 is: 42,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.38 : 63,457.38 = 28,275.96 : x
  2. Step 2: Convert to fraction form
    42,358.38/63,457.38 = 28,275.96/x
  3. Step 3: Cross multiply
    42,358.38x = 63,457.38 × 28,275.96
  4. Step 4: Simplify right side
    42,358.38x = 1,794,318,338.58
  5. Step 5: Solve for x
    x = 1,794,318,338.58/42,358.38
  6. Step 6: Final answer
    x = 42,360.41

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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.