Home / 26,948.88-40,423.32-13,086

Finding the Fourth Proportional to 26,948.88, 40,423.32 and 13,086

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Solution

The fourth proportional to 26,948.88, 40,423.32 and 13,086 is: 19,629

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.88 : 40,423.32 = 13,086 : x
  2. Step 2: Convert to fraction form
    26,948.88/40,423.32 = 13,086/x
  3. Step 3: Cross multiply
    26,948.88x = 40,423.32 × 13,086
  4. Step 4: Simplify right side
    26,948.88x = 528,979,565.52
  5. Step 5: Solve for x
    x = 528,979,565.52/26,948.88
  6. Step 6: Final answer
    x = 19,629

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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.