Home / 18,557.16-27,785.52-13,589.16

Finding the Fourth Proportional to 18,557.16, 27,785.52 and 13,589.16

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Solution

The fourth proportional to 18,557.16, 27,785.52 and 13,589.16 is: 20,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.16 : 27,785.52 = 13,589.16 : x
  2. Step 2: Convert to fraction form
    18,557.16/27,785.52 = 13,589.16/x
  3. Step 3: Cross multiply
    18,557.16x = 27,785.52 × 13,589.16
  4. Step 4: Simplify right side
    18,557.16x = 377,581,876.96
  5. Step 5: Solve for x
    x = 377,581,876.96/18,557.16
  6. Step 6: Final answer
    x = 20,346.96

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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.