Home / 23,081.24-31,864.92-15,135.14

Finding the Fourth Proportional to 23,081.24, 31,864.92 and 15,135.14

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Solution

The fourth proportional to 23,081.24, 31,864.92 and 15,135.14 is: 20,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.24 : 31,864.92 = 15,135.14 : x
  2. Step 2: Convert to fraction form
    23,081.24/31,864.92 = 15,135.14/x
  3. Step 3: Cross multiply
    23,081.24x = 31,864.92 × 15,135.14
  4. Step 4: Simplify right side
    23,081.24x = 482,280,025.29
  5. Step 5: Solve for x
    x = 482,280,025.29/23,081.24
  6. Step 6: Final answer
    x = 20,894.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.