Home / 18,325.50-27,441.72-15,356.13

Finding the Fourth Proportional to 18,325.50, 27,441.72 and 15,356.13

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Solution

The fourth proportional to 18,325.50, 27,441.72 and 15,356.13 is: 22,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.50 : 27,441.72 = 15,356.13 : x
  2. Step 2: Convert to fraction form
    18,325.50/27,441.72 = 15,356.13/x
  3. Step 3: Cross multiply
    18,325.50x = 27,441.72 × 15,356.13
  4. Step 4: Simplify right side
    18,325.50x = 421,398,619.74
  5. Step 5: Solve for x
    x = 421,398,619.74/18,325.50
  6. Step 6: Final answer
    x = 22,995.20

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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.