Home / 38,756.16-58,140.72-15,382.80

Finding the Fourth Proportional to 38,756.16, 58,140.72 and 15,382.80

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Solution

The fourth proportional to 38,756.16, 58,140.72 and 15,382.80 is: 23,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756.16 : 58,140.72 = 15,382.80 : x
  2. Step 2: Convert to fraction form
    38,756.16/58,140.72 = 15,382.80/x
  3. Step 3: Cross multiply
    38,756.16x = 58,140.72 × 15,382.80
  4. Step 4: Simplify right side
    38,756.16x = 894,367,067.62
  5. Step 5: Solve for x
    x = 894,367,067.62/38,756.16
  6. Step 6: Final answer
    x = 23,076.77

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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.