Home / 38,006.72-57,007.20-13,365.44

Finding the Fourth Proportional to 38,006.72, 57,007.20 and 13,365.44

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Solution

The fourth proportional to 38,006.72, 57,007.20 and 13,365.44 is: 20,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.72 : 57,007.20 = 13,365.44 : x
  2. Step 2: Convert to fraction form
    38,006.72/57,007.20 = 13,365.44/x
  3. Step 3: Cross multiply
    38,006.72x = 57,007.20 × 13,365.44
  4. Step 4: Simplify right side
    38,006.72x = 761,926,311.17
  5. Step 5: Solve for x
    x = 761,926,311.17/38,006.72
  6. Step 6: Final answer
    x = 20,047.15

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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.