Home / 38,280.40-57,397.08-14,879.56

Finding the Fourth Proportional to 38,280.40, 57,397.08 and 14,879.56

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Solution

The fourth proportional to 38,280.40, 57,397.08 and 14,879.56 is: 22,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.40 : 57,397.08 = 14,879.56 : x
  2. Step 2: Convert to fraction form
    38,280.40/57,397.08 = 14,879.56/x
  3. Step 3: Cross multiply
    38,280.40x = 57,397.08 × 14,879.56
  4. Step 4: Simplify right side
    38,280.40x = 854,043,295.68
  5. Step 5: Solve for x
    x = 854,043,295.68/38,280.40
  6. Step 6: Final answer
    x = 22,310.20

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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.