Home / 28,641.46-39,524.17-15,895.20

Finding the Fourth Proportional to 28,641.46, 39,524.17 and 15,895.20

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Solution

The fourth proportional to 28,641.46, 39,524.17 and 15,895.20 is: 21,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.46 : 39,524.17 = 15,895.20 : x
  2. Step 2: Convert to fraction form
    28,641.46/39,524.17 = 15,895.20/x
  3. Step 3: Cross multiply
    28,641.46x = 39,524.17 × 15,895.20
  4. Step 4: Simplify right side
    28,641.46x = 628,244,586.98
  5. Step 5: Solve for x
    x = 628,244,586.98/28,641.46
  6. Step 6: Final answer
    x = 21,934.80

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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.