Home / 27,948.68-38,568.99-15,851.46

Finding the Fourth Proportional to 27,948.68, 38,568.99 and 15,851.46

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Solution

The fourth proportional to 27,948.68, 38,568.99 and 15,851.46 is: 21,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.68 : 38,568.99 = 15,851.46 : x
  2. Step 2: Convert to fraction form
    27,948.68/38,568.99 = 15,851.46/x
  3. Step 3: Cross multiply
    27,948.68x = 38,568.99 × 15,851.46
  4. Step 4: Simplify right side
    27,948.68x = 611,375,006.30
  5. Step 5: Solve for x
    x = 611,375,006.30/27,948.68
  6. Step 6: Final answer
    x = 21,874.92

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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.