Home / 27,862.27-38,449.96-15,925.57

Finding the Fourth Proportional to 27,862.27, 38,449.96 and 15,925.57

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Solution

The fourth proportional to 27,862.27, 38,449.96 and 15,925.57 is: 21,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.27 : 38,449.96 = 15,925.57 : x
  2. Step 2: Convert to fraction form
    27,862.27/38,449.96 = 15,925.57/x
  3. Step 3: Cross multiply
    27,862.27x = 38,449.96 × 15,925.57
  4. Step 4: Simplify right side
    27,862.27x = 612,337,393.54
  5. Step 5: Solve for x
    x = 612,337,393.54/27,862.27
  6. Step 6: Final answer
    x = 21,977.30

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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.