Home / 27,190.50-37,522.98-15,867.78

Finding the Fourth Proportional to 27,190.50, 37,522.98 and 15,867.78

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Solution

The fourth proportional to 27,190.50, 37,522.98 and 15,867.78 is: 21,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.50 : 37,522.98 = 15,867.78 : x
  2. Step 2: Convert to fraction form
    27,190.50/37,522.98 = 15,867.78/x
  3. Step 3: Cross multiply
    27,190.50x = 37,522.98 × 15,867.78
  4. Step 4: Simplify right side
    27,190.50x = 595,406,391.58
  5. Step 5: Solve for x
    x = 595,406,391.58/27,190.50
  6. Step 6: Final answer
    x = 21,897.59

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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.