Home / 27,147.51-40,717.49-15,127.92

Finding the Fourth Proportional to 27,147.51, 40,717.49 and 15,127.92

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Solution

The fourth proportional to 27,147.51, 40,717.49 and 15,127.92 is: 22,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.51 : 40,717.49 = 15,127.92 : x
  2. Step 2: Convert to fraction form
    27,147.51/40,717.49 = 15,127.92/x
  3. Step 3: Cross multiply
    27,147.51x = 40,717.49 × 15,127.92
  4. Step 4: Simplify right side
    27,147.51x = 615,970,855.68
  5. Step 5: Solve for x
    x = 615,970,855.68/27,147.51
  6. Step 6: Final answer
    x = 22,689.77

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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.