Home / 27,540.42-38,003.04-15,601.38

Finding the Fourth Proportional to 27,540.42, 38,003.04 and 15,601.38

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Solution

The fourth proportional to 27,540.42, 38,003.04 and 15,601.38 is: 21,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.42 : 38,003.04 = 15,601.38 : x
  2. Step 2: Convert to fraction form
    27,540.42/38,003.04 = 15,601.38/x
  3. Step 3: Cross multiply
    27,540.42x = 38,003.04 × 15,601.38
  4. Step 4: Simplify right side
    27,540.42x = 592,899,868.20
  5. Step 5: Solve for x
    x = 592,899,868.20/27,540.42
  6. Step 6: Final answer
    x = 21,528.35

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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.