Home / 27,570.60-38,044.26-15,631.56

Finding the Fourth Proportional to 27,570.60, 38,044.26 and 15,631.56

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Solution

The fourth proportional to 27,570.60, 38,044.26 and 15,631.56 is: 21,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.60 : 38,044.26 = 15,631.56 : x
  2. Step 2: Convert to fraction form
    27,570.60/38,044.26 = 15,631.56/x
  3. Step 3: Cross multiply
    27,570.60x = 38,044.26 × 15,631.56
  4. Step 4: Simplify right side
    27,570.60x = 594,691,132.85
  5. Step 5: Solve for x
    x = 594,691,132.85/27,570.60
  6. Step 6: Final answer
    x = 21,569.76

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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.