Home / 28,922.84-43,391.19-9,947.15

Finding the Fourth Proportional to 28,922.84, 43,391.19 and 9,947.15

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Solution

The fourth proportional to 28,922.84, 43,391.19 and 9,947.15 is: 14,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.84 : 43,391.19 = 9,947.15 : x
  2. Step 2: Convert to fraction form
    28,922.84/43,391.19 = 9,947.15/x
  3. Step 3: Cross multiply
    28,922.84x = 43,391.19 × 9,947.15
  4. Step 4: Simplify right side
    28,922.84x = 431,618,529.83
  5. Step 5: Solve for x
    x = 431,618,529.83/28,922.84
  6. Step 6: Final answer
    x = 14,923.10

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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.