Home / 25,561.04-38,341.22-8,920.76

Finding the Fourth Proportional to 25,561.04, 38,341.22 and 8,920.76

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Solution

The fourth proportional to 25,561.04, 38,341.22 and 8,920.76 is: 13,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.04 : 38,341.22 = 8,920.76 : x
  2. Step 2: Convert to fraction form
    25,561.04/38,341.22 = 8,920.76/x
  3. Step 3: Cross multiply
    25,561.04x = 38,341.22 × 8,920.76
  4. Step 4: Simplify right side
    25,561.04x = 342,032,821.73
  5. Step 5: Solve for x
    x = 342,032,821.73/25,561.04
  6. Step 6: Final answer
    x = 13,381.02

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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.