Home / 25,278.20-37,921.78-8,634.34

Finding the Fourth Proportional to 25,278.20, 37,921.78 and 8,634.34

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Solution

The fourth proportional to 25,278.20, 37,921.78 and 8,634.34 is: 12,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.20 : 37,921.78 = 8,634.34 : x
  2. Step 2: Convert to fraction form
    25,278.20/37,921.78 = 8,634.34/x
  3. Step 3: Cross multiply
    25,278.20x = 37,921.78 × 8,634.34
  4. Step 4: Simplify right side
    25,278.20x = 327,429,541.93
  5. Step 5: Solve for x
    x = 327,429,541.93/25,278.20
  6. Step 6: Final answer
    x = 12,953.04

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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.