Home / 38,239.80-57,246.30-28,422.60

Finding the Fourth Proportional to 38,239.80, 57,246.30 and 28,422.60

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Solution

The fourth proportional to 38,239.80, 57,246.30 and 28,422.60 is: 42,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.80 : 57,246.30 = 28,422.60 : x
  2. Step 2: Convert to fraction form
    38,239.80/57,246.30 = 28,422.60/x
  3. Step 3: Cross multiply
    38,239.80x = 57,246.30 × 28,422.60
  4. Step 4: Simplify right side
    38,239.80x = 1,627,088,686.38
  5. Step 5: Solve for x
    x = 1,627,088,686.38/38,239.80
  6. Step 6: Final answer
    x = 42,549.61

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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.