Home / 52,921.32-79,377.15-17,861.28

Finding the Fourth Proportional to 52,921.32, 79,377.15 and 17,861.28

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Solution

The fourth proportional to 52,921.32, 79,377.15 and 17,861.28 is: 26,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.32 : 79,377.15 = 17,861.28 : x
  2. Step 2: Convert to fraction form
    52,921.32/79,377.15 = 17,861.28/x
  3. Step 3: Cross multiply
    52,921.32x = 79,377.15 × 17,861.28
  4. Step 4: Simplify right side
    52,921.32x = 1,417,777,501.75
  5. Step 5: Solve for x
    x = 1,417,777,501.75/52,921.32
  6. Step 6: Final answer
    x = 26,790.29

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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.