Home / 38,895.70-58,372.35-15,538.90

Finding the Fourth Proportional to 38,895.70, 58,372.35 and 15,538.90

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Solution

The fourth proportional to 38,895.70, 58,372.35 and 15,538.90 is: 23,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.70 : 58,372.35 = 15,538.90 : x
  2. Step 2: Convert to fraction form
    38,895.70/58,372.35 = 15,538.90/x
  3. Step 3: Cross multiply
    38,895.70x = 58,372.35 × 15,538.90
  4. Step 4: Simplify right side
    38,895.70x = 907,042,109.42
  5. Step 5: Solve for x
    x = 907,042,109.42/38,895.70
  6. Step 6: Final answer
    x = 23,319.86

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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.