Home / 27,922.68-38,532.78-15,348.60

Finding the Fourth Proportional to 27,922.68, 38,532.78 and 15,348.60

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Solution

The fourth proportional to 27,922.68, 38,532.78 and 15,348.60 is: 21,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.68 : 38,532.78 = 15,348.60 : x
  2. Step 2: Convert to fraction form
    27,922.68/38,532.78 = 15,348.60/x
  3. Step 3: Cross multiply
    27,922.68x = 38,532.78 × 15,348.60
  4. Step 4: Simplify right side
    27,922.68x = 591,424,227.11
  5. Step 5: Solve for x
    x = 591,424,227.11/27,922.68
  6. Step 6: Final answer
    x = 21,180.78

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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.