Home / 27,259.80-40,839.30-15,538.20

Finding the Fourth Proportional to 27,259.80, 40,839.30 and 15,538.20

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Solution

The fourth proportional to 27,259.80, 40,839.30 and 15,538.20 is: 23,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.80 : 40,839.30 = 15,538.20 : x
  2. Step 2: Convert to fraction form
    27,259.80/40,839.30 = 15,538.20/x
  3. Step 3: Cross multiply
    27,259.80x = 40,839.30 × 15,538.20
  4. Step 4: Simplify right side
    27,259.80x = 634,569,211.26
  5. Step 5: Solve for x
    x = 634,569,211.26/27,259.80
  6. Step 6: Final answer
    x = 23,278.57

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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.