Home / 28,247.25-42,371.18-8,525.98

Finding the Fourth Proportional to 28,247.25, 42,371.18 and 8,525.98

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Solution

The fourth proportional to 28,247.25, 42,371.18 and 8,525.98 is: 12,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.25 : 42,371.18 = 8,525.98 : x
  2. Step 2: Convert to fraction form
    28,247.25/42,371.18 = 8,525.98/x
  3. Step 3: Cross multiply
    28,247.25x = 42,371.18 × 8,525.98
  4. Step 4: Simplify right side
    28,247.25x = 361,255,833.26
  5. Step 5: Solve for x
    x = 361,255,833.26/28,247.25
  6. Step 6: Final answer
    x = 12,789.06

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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.