Home / 57,423.97-86,129.12-15,307.21

Finding the Fourth Proportional to 57,423.97, 86,129.12 and 15,307.21

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Solution

The fourth proportional to 57,423.97, 86,129.12 and 15,307.21 is: 22,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.97 : 86,129.12 = 15,307.21 : x
  2. Step 2: Convert to fraction form
    57,423.97/86,129.12 = 15,307.21/x
  3. Step 3: Cross multiply
    57,423.97x = 86,129.12 × 15,307.21
  4. Step 4: Simplify right side
    57,423.97x = 1,318,396,019.77
  5. Step 5: Solve for x
    x = 1,318,396,019.77/57,423.97
  6. Step 6: Final answer
    x = 22,958.99

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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.