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Finding the Fourth Proportional to 26,482.27, 39,713.31 and 7,758.31

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Solution

The fourth proportional to 26,482.27, 39,713.31 and 7,758.31 is: 11,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.27 : 39,713.31 = 7,758.31 : x
  2. Step 2: Convert to fraction form
    26,482.27/39,713.31 = 7,758.31/x
  3. Step 3: Cross multiply
    26,482.27x = 39,713.31 × 7,758.31
  4. Step 4: Simplify right side
    26,482.27x = 308,108,170.11
  5. Step 5: Solve for x
    x = 308,108,170.11/26,482.27
  6. Step 6: Final answer
    x = 11,634.51

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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.