Home / 20,013.38-29,976.19-15,858.08

Finding the Fourth Proportional to 20,013.38, 29,976.19 and 15,858.08

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Solution

The fourth proportional to 20,013.38, 29,976.19 and 15,858.08 is: 23,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.38 : 29,976.19 = 15,858.08 : x
  2. Step 2: Convert to fraction form
    20,013.38/29,976.19 = 15,858.08/x
  3. Step 3: Cross multiply
    20,013.38x = 29,976.19 × 15,858.08
  4. Step 4: Simplify right side
    20,013.38x = 475,364,819.12
  5. Step 5: Solve for x
    x = 475,364,819.12/20,013.38
  6. Step 6: Final answer
    x = 23,752.35

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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.