Home / 25,776.20-38,664.29-8,247.39

Finding the Fourth Proportional to 25,776.20, 38,664.29 and 8,247.39

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Solution

The fourth proportional to 25,776.20, 38,664.29 and 8,247.39 is: 12,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.20 : 38,664.29 = 8,247.39 : x
  2. Step 2: Convert to fraction form
    25,776.20/38,664.29 = 8,247.39/x
  3. Step 3: Cross multiply
    25,776.20x = 38,664.29 × 8,247.39
  4. Step 4: Simplify right side
    25,776.20x = 318,879,437.47
  5. Step 5: Solve for x
    x = 318,879,437.47/25,776.20
  6. Step 6: Final answer
    x = 12,371.08

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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.