Home / 27,146.61-40,720.73-10,275.93

Finding the Fourth Proportional to 27,146.61, 40,720.73 and 10,275.93

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Solution

The fourth proportional to 27,146.61, 40,720.73 and 10,275.93 is: 15,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.61 : 40,720.73 = 10,275.93 : x
  2. Step 2: Convert to fraction form
    27,146.61/40,720.73 = 10,275.93/x
  3. Step 3: Cross multiply
    27,146.61x = 40,720.73 × 10,275.93
  4. Step 4: Simplify right side
    27,146.61x = 418,443,319.65
  5. Step 5: Solve for x
    x = 418,443,319.65/27,146.61
  6. Step 6: Final answer
    x = 15,414.20

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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.