Home / 57,545.40-86,318.28-15,992.40

Finding the Fourth Proportional to 57,545.40, 86,318.28 and 15,992.40

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Solution

The fourth proportional to 57,545.40, 86,318.28 and 15,992.40 is: 23,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.40 : 86,318.28 = 15,992.40 : x
  2. Step 2: Convert to fraction form
    57,545.40/86,318.28 = 15,992.40/x
  3. Step 3: Cross multiply
    57,545.40x = 86,318.28 × 15,992.40
  4. Step 4: Simplify right side
    57,545.40x = 1,380,436,461.07
  5. Step 5: Solve for x
    x = 1,380,436,461.07/57,545.40
  6. Step 6: Final answer
    x = 23,988.65

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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.