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Finding the Fourth Proportional to 26,167.98, 36,099.12 and 15,550.08

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Solution

The fourth proportional to 26,167.98, 36,099.12 and 15,550.08 is: 21,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.98 : 36,099.12 = 15,550.08 : x
  2. Step 2: Convert to fraction form
    26,167.98/36,099.12 = 15,550.08/x
  3. Step 3: Cross multiply
    26,167.98x = 36,099.12 × 15,550.08
  4. Step 4: Simplify right side
    26,167.98x = 561,344,203.93
  5. Step 5: Solve for x
    x = 561,344,203.93/26,167.98
  6. Step 6: Final answer
    x = 21,451.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.