Home / 38,486.40-57,705.84-15,086.04

Finding the Fourth Proportional to 38,486.40, 57,705.84 and 15,086.04

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Solution

The fourth proportional to 38,486.40, 57,705.84 and 15,086.04 is: 22,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.40 : 57,705.84 = 15,086.04 : x
  2. Step 2: Convert to fraction form
    38,486.40/57,705.84 = 15,086.04/x
  3. Step 3: Cross multiply
    38,486.40x = 57,705.84 × 15,086.04
  4. Step 4: Simplify right side
    38,486.40x = 870,552,610.47
  5. Step 5: Solve for x
    x = 870,552,610.47/38,486.40
  6. Step 6: Final answer
    x = 22,619.75

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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.