Home / 26,689.48-40,020.62-8,913.75

Finding the Fourth Proportional to 26,689.48, 40,020.62 and 8,913.75

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Solution

The fourth proportional to 26,689.48, 40,020.62 and 8,913.75 is: 13,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.48 : 40,020.62 = 8,913.75 : x
  2. Step 2: Convert to fraction form
    26,689.48/40,020.62 = 8,913.75/x
  3. Step 3: Cross multiply
    26,689.48x = 40,020.62 × 8,913.75
  4. Step 4: Simplify right side
    26,689.48x = 356,733,640.31
  5. Step 5: Solve for x
    x = 356,733,640.31/26,689.48
  6. Step 6: Final answer
    x = 13,366.08

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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.