Home / 28,180.61-38,800.72-23,922.84

Finding the Fourth Proportional to 28,180.61, 38,800.72 and 23,922.84

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Solution

The fourth proportional to 28,180.61, 38,800.72 and 23,922.84 is: 32,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.61 : 38,800.72 = 23,922.84 : x
  2. Step 2: Convert to fraction form
    28,180.61/38,800.72 = 23,922.84/x
  3. Step 3: Cross multiply
    28,180.61x = 38,800.72 × 23,922.84
  4. Step 4: Simplify right side
    28,180.61x = 928,223,591.85
  5. Step 5: Solve for x
    x = 928,223,591.85/28,180.61
  6. Step 6: Final answer
    x = 32,938.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.