Home / 27,519.60-37,974.06-15,583.80

Finding the Fourth Proportional to 27,519.60, 37,974.06 and 15,583.80

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Solution

The fourth proportional to 27,519.60, 37,974.06 and 15,583.80 is: 21,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.60 : 37,974.06 = 15,583.80 : x
  2. Step 2: Convert to fraction form
    27,519.60/37,974.06 = 15,583.80/x
  3. Step 3: Cross multiply
    27,519.60x = 37,974.06 × 15,583.80
  4. Step 4: Simplify right side
    27,519.60x = 591,780,156.23
  5. Step 5: Solve for x
    x = 591,780,156.23/27,519.60
  6. Step 6: Final answer
    x = 21,503.95

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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.