Home / 25,619.60-38,422.20-8,094.80

Finding the Fourth Proportional to 25,619.60, 38,422.20 and 8,094.80

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Solution

The fourth proportional to 25,619.60, 38,422.20 and 8,094.80 is: 12,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.60 : 38,422.20 = 8,094.80 : x
  2. Step 2: Convert to fraction form
    25,619.60/38,422.20 = 8,094.80/x
  3. Step 3: Cross multiply
    25,619.60x = 38,422.20 × 8,094.80
  4. Step 4: Simplify right side
    25,619.60x = 311,020,024.56
  5. Step 5: Solve for x
    x = 311,020,024.56/25,619.60
  6. Step 6: Final answer
    x = 12,139.93

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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.