Home / 27,899.60-38,508.09-15,969.83

Finding the Fourth Proportional to 27,899.60, 38,508.09 and 15,969.83

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Solution

The fourth proportional to 27,899.60, 38,508.09 and 15,969.83 is: 22,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.60 : 38,508.09 = 15,969.83 : x
  2. Step 2: Convert to fraction form
    27,899.60/38,508.09 = 15,969.83/x
  3. Step 3: Cross multiply
    27,899.60x = 38,508.09 × 15,969.83
  4. Step 4: Simplify right side
    27,899.60x = 614,967,650.92
  5. Step 5: Solve for x
    x = 614,967,650.92/27,899.60
  6. Step 6: Final answer
    x = 22,042.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.