Home / 38,917.20-58,404.60-15,560.40

Finding the Fourth Proportional to 38,917.20, 58,404.60 and 15,560.40

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Solution

The fourth proportional to 38,917.20, 58,404.60 and 15,560.40 is: 23,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.20 : 58,404.60 = 15,560.40 : x
  2. Step 2: Convert to fraction form
    38,917.20/58,404.60 = 15,560.40/x
  3. Step 3: Cross multiply
    38,917.20x = 58,404.60 × 15,560.40
  4. Step 4: Simplify right side
    38,917.20x = 908,798,937.84
  5. Step 5: Solve for x
    x = 908,798,937.84/38,917.20
  6. Step 6: Final answer
    x = 23,352.12

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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.