Home / 38,424.86-57,624.30-18,690.86

Finding the Fourth Proportional to 38,424.86, 57,624.30 and 18,690.86

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Solution

The fourth proportional to 38,424.86, 57,624.30 and 18,690.86 is: 28,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.86 : 57,624.30 = 18,690.86 : x
  2. Step 2: Convert to fraction form
    38,424.86/57,624.30 = 18,690.86/x
  3. Step 3: Cross multiply
    38,424.86x = 57,624.30 × 18,690.86
  4. Step 4: Simplify right side
    38,424.86x = 1,077,047,723.90
  5. Step 5: Solve for x
    x = 1,077,047,723.90/38,424.86
  6. Step 6: Final answer
    x = 28,029.97

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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.