Home / 25,822.11-38,731.86-8,290.56

Finding the Fourth Proportional to 25,822.11, 38,731.86 and 8,290.56

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Solution

The fourth proportional to 25,822.11, 38,731.86 and 8,290.56 is: 12,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,822.11 : 38,731.86 = 8,290.56 : x
  2. Step 2: Convert to fraction form
    25,822.11/38,731.86 = 8,290.56/x
  3. Step 3: Cross multiply
    25,822.11x = 38,731.86 × 8,290.56
  4. Step 4: Simplify right side
    25,822.11x = 321,108,809.24
  5. Step 5: Solve for x
    x = 321,108,809.24/25,822.11
  6. Step 6: Final answer
    x = 12,435.42

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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.