Home / 25,852.02-38,781.69-8,325.78

Finding the Fourth Proportional to 25,852.02, 38,781.69 and 8,325.78

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Solution

The fourth proportional to 25,852.02, 38,781.69 and 8,325.78 is: 12,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.02 : 38,781.69 = 8,325.78 : x
  2. Step 2: Convert to fraction form
    25,852.02/38,781.69 = 8,325.78/x
  3. Step 3: Cross multiply
    25,852.02x = 38,781.69 × 8,325.78
  4. Step 4: Simplify right side
    25,852.02x = 322,887,818.97
  5. Step 5: Solve for x
    x = 322,887,818.97/25,852.02
  6. Step 6: Final answer
    x = 12,489.85

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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.