Home / 18,454.32-27,548.55-17,142.12

Finding the Fourth Proportional to 18,454.32, 27,548.55 and 17,142.12

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Solution

The fourth proportional to 18,454.32, 27,548.55 and 17,142.12 is: 25,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.32 : 27,548.55 = 17,142.12 : x
  2. Step 2: Convert to fraction form
    18,454.32/27,548.55 = 17,142.12/x
  3. Step 3: Cross multiply
    18,454.32x = 27,548.55 × 17,142.12
  4. Step 4: Simplify right side
    18,454.32x = 472,240,549.93
  5. Step 5: Solve for x
    x = 472,240,549.93/18,454.32
  6. Step 6: Final answer
    x = 25,589.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.