Home / 25,623.66-38,439.06-8,979.84

Finding the Fourth Proportional to 25,623.66, 38,439.06 and 8,979.84

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Solution

The fourth proportional to 25,623.66, 38,439.06 and 8,979.84 is: 13,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.66 : 38,439.06 = 8,979.84 : x
  2. Step 2: Convert to fraction form
    25,623.66/38,439.06 = 8,979.84/x
  3. Step 3: Cross multiply
    25,623.66x = 38,439.06 × 8,979.84
  4. Step 4: Simplify right side
    25,623.66x = 345,176,608.55
  5. Step 5: Solve for x
    x = 345,176,608.55/25,623.66
  6. Step 6: Final answer
    x = 13,471.01

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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.