Home / 38,665.12-58,003.44-17,890.72

Finding the Fourth Proportional to 38,665.12, 58,003.44 and 17,890.72

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Solution

The fourth proportional to 38,665.12, 58,003.44 and 17,890.72 is: 26,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.12 : 58,003.44 = 17,890.72 : x
  2. Step 2: Convert to fraction form
    38,665.12/58,003.44 = 17,890.72/x
  3. Step 3: Cross multiply
    38,665.12x = 58,003.44 × 17,890.72
  4. Step 4: Simplify right side
    38,665.12x = 1,037,723,304.08
  5. Step 5: Solve for x
    x = 1,037,723,304.08/38,665.12
  6. Step 6: Final answer
    x = 26,838.75

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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.