Home / 26,580.32-39,895.14-13,442

Finding the Fourth Proportional to 26,580.32, 39,895.14 and 13,442

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Solution

The fourth proportional to 26,580.32, 39,895.14 and 13,442 is: 20,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.32 : 39,895.14 = 13,442 : x
  2. Step 2: Convert to fraction form
    26,580.32/39,895.14 = 13,442/x
  3. Step 3: Cross multiply
    26,580.32x = 39,895.14 × 13,442
  4. Step 4: Simplify right side
    26,580.32x = 536,270,471.88
  5. Step 5: Solve for x
    x = 536,270,471.88/26,580.32
  6. Step 6: Final answer
    x = 20,175.47

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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.