Home / 26,345.28-39,474.03-18,537.69

Finding the Fourth Proportional to 26,345.28, 39,474.03 and 18,537.69

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Solution

The fourth proportional to 26,345.28, 39,474.03 and 18,537.69 is: 27,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.28 : 39,474.03 = 18,537.69 : x
  2. Step 2: Convert to fraction form
    26,345.28/39,474.03 = 18,537.69/x
  3. Step 3: Cross multiply
    26,345.28x = 39,474.03 × 18,537.69
  4. Step 4: Simplify right side
    26,345.28x = 731,757,331.19
  5. Step 5: Solve for x
    x = 731,757,331.19/26,345.28
  6. Step 6: Final answer
    x = 27,775.65

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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.