Home / 25,420.92-38,122.02-8,776.68

Finding the Fourth Proportional to 25,420.92, 38,122.02 and 8,776.68

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Solution

The fourth proportional to 25,420.92, 38,122.02 and 8,776.68 is: 13,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.92 : 38,122.02 = 8,776.68 : x
  2. Step 2: Convert to fraction form
    25,420.92/38,122.02 = 8,776.68/x
  3. Step 3: Cross multiply
    25,420.92x = 38,122.02 × 8,776.68
  4. Step 4: Simplify right side
    25,420.92x = 334,584,770.49
  5. Step 5: Solve for x
    x = 334,584,770.49/25,420.92
  6. Step 6: Final answer
    x = 13,161.79

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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.