Home / 26,651.39-39,990.98-10,868.08

Finding the Fourth Proportional to 26,651.39, 39,990.98 and 10,868.08

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Solution

The fourth proportional to 26,651.39, 39,990.98 and 10,868.08 is: 16,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.39 : 39,990.98 = 10,868.08 : x
  2. Step 2: Convert to fraction form
    26,651.39/39,990.98 = 10,868.08/x
  3. Step 3: Cross multiply
    26,651.39x = 39,990.98 × 10,868.08
  4. Step 4: Simplify right side
    26,651.39x = 434,625,169.92
  5. Step 5: Solve for x
    x = 434,625,169.92/26,651.39
  6. Step 6: Final answer
    x = 16,307.79

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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.