Home / 25,674.02-38,512.40-8,145.20

Finding the Fourth Proportional to 25,674.02, 38,512.40 and 8,145.20

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Solution

The fourth proportional to 25,674.02, 38,512.40 and 8,145.20 is: 12,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.02 : 38,512.40 = 8,145.20 : x
  2. Step 2: Convert to fraction form
    25,674.02/38,512.40 = 8,145.20/x
  3. Step 3: Cross multiply
    25,674.02x = 38,512.40 × 8,145.20
  4. Step 4: Simplify right side
    25,674.02x = 313,691,200.48
  5. Step 5: Solve for x
    x = 313,691,200.48/25,674.02
  6. Step 6: Final answer
    x = 12,218.23

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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.