Home / 25,922.98-38,890.64-8,392.80

Finding the Fourth Proportional to 25,922.98, 38,890.64 and 8,392.80

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Solution

The fourth proportional to 25,922.98, 38,890.64 and 8,392.80 is: 12,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922.98 : 38,890.64 = 8,392.80 : x
  2. Step 2: Convert to fraction form
    25,922.98/38,890.64 = 8,392.80/x
  3. Step 3: Cross multiply
    25,922.98x = 38,890.64 × 8,392.80
  4. Step 4: Simplify right side
    25,922.98x = 326,401,363.39
  5. Step 5: Solve for x
    x = 326,401,363.39/25,922.98
  6. Step 6: Final answer
    x = 12,591.20

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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.