Home / 18,625.20-27,937.80-15,344.70

Finding the Fourth Proportional to 18,625.20, 27,937.80 and 15,344.70

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Solution

The fourth proportional to 18,625.20, 27,937.80 and 15,344.70 is: 23,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.20 : 27,937.80 = 15,344.70 : x
  2. Step 2: Convert to fraction form
    18,625.20/27,937.80 = 15,344.70/x
  3. Step 3: Cross multiply
    18,625.20x = 27,937.80 × 15,344.70
  4. Step 4: Simplify right side
    18,625.20x = 428,697,159.66
  5. Step 5: Solve for x
    x = 428,697,159.66/18,625.20
  6. Step 6: Final answer
    x = 23,017.05

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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.