Home / 38,872.72-58,272.14-15,195.45

Finding the Fourth Proportional to 38,872.72, 58,272.14 and 15,195.45

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Solution

The fourth proportional to 38,872.72, 58,272.14 and 15,195.45 is: 22,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.72 : 58,272.14 = 15,195.45 : x
  2. Step 2: Convert to fraction form
    38,872.72/58,272.14 = 15,195.45/x
  3. Step 3: Cross multiply
    38,872.72x = 58,272.14 × 15,195.45
  4. Step 4: Simplify right side
    38,872.72x = 885,471,389.76
  5. Step 5: Solve for x
    x = 885,471,389.76/38,872.72
  6. Step 6: Final answer
    x = 22,778.74

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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.