Home / 25,520.84-38,292.22-8,871.80

Finding the Fourth Proportional to 25,520.84, 38,292.22 and 8,871.80

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Solution

The fourth proportional to 25,520.84, 38,292.22 and 8,871.80 is: 13,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.84 : 38,292.22 = 8,871.80 : x
  2. Step 2: Convert to fraction form
    25,520.84/38,292.22 = 8,871.80/x
  3. Step 3: Cross multiply
    25,520.84x = 38,292.22 × 8,871.80
  4. Step 4: Simplify right side
    25,520.84x = 339,720,917.40
  5. Step 5: Solve for x
    x = 339,720,917.40/25,520.84
  6. Step 6: Final answer
    x = 13,311.51

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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.