Home / 38,437.20-57,655.80-16,243.20

Finding the Fourth Proportional to 38,437.20, 57,655.80 and 16,243.20

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Solution

The fourth proportional to 38,437.20, 57,655.80 and 16,243.20 is: 24,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.20 : 57,655.80 = 16,243.20 : x
  2. Step 2: Convert to fraction form
    38,437.20/57,655.80 = 16,243.20/x
  3. Step 3: Cross multiply
    38,437.20x = 57,655.80 × 16,243.20
  4. Step 4: Simplify right side
    38,437.20x = 936,514,690.56
  5. Step 5: Solve for x
    x = 936,514,690.56/38,437.20
  6. Step 6: Final answer
    x = 24,364.80

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1.5x scale

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.