Home / 25,827.42-38,691.12-15,127.92

Finding the Fourth Proportional to 25,827.42, 38,691.12 and 15,127.92

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Solution

The fourth proportional to 25,827.42, 38,691.12 and 15,127.92 is: 22,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.42 : 38,691.12 = 15,127.92 : x
  2. Step 2: Convert to fraction form
    25,827.42/38,691.12 = 15,127.92/x
  3. Step 3: Cross multiply
    25,827.42x = 38,691.12 × 15,127.92
  4. Step 4: Simplify right side
    25,827.42x = 585,316,168.07
  5. Step 5: Solve for x
    x = 585,316,168.07/25,827.42
  6. Step 6: Final answer
    x = 22,662.59

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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.