Home / 38,648.32-57,981.12-15,277.12

Finding the Fourth Proportional to 38,648.32, 57,981.12 and 15,277.12

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Solution

The fourth proportional to 38,648.32, 57,981.12 and 15,277.12 is: 22,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.32 : 57,981.12 = 15,277.12 : x
  2. Step 2: Convert to fraction form
    38,648.32/57,981.12 = 15,277.12/x
  3. Step 3: Cross multiply
    38,648.32x = 57,981.12 × 15,277.12
  4. Step 4: Simplify right side
    38,648.32x = 885,784,527.97
  5. Step 5: Solve for x
    x = 885,784,527.97/38,648.32
  6. Step 6: Final answer
    x = 22,919.10

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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.