Home / 26,422.27-39,621.88-9,994.75

Finding the Fourth Proportional to 26,422.27, 39,621.88 and 9,994.75

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Solution

The fourth proportional to 26,422.27, 39,621.88 and 9,994.75 is: 14,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.27 : 39,621.88 = 9,994.75 : x
  2. Step 2: Convert to fraction form
    26,422.27/39,621.88 = 9,994.75/x
  3. Step 3: Cross multiply
    26,422.27x = 39,621.88 × 9,994.75
  4. Step 4: Simplify right side
    26,422.27x = 396,010,785.13
  5. Step 5: Solve for x
    x = 396,010,785.13/26,422.27
  6. Step 6: Final answer
    x = 14,987.77

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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.