Home / 17,125.27-25,687.83-5,439.40

Finding the Fourth Proportional to 17,125.27, 25,687.83 and 5,439.40

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Solution

The fourth proportional to 17,125.27, 25,687.83 and 5,439.40 is: 8,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.27 : 25,687.83 = 5,439.40 : x
  2. Step 2: Convert to fraction form
    17,125.27/25,687.83 = 5,439.40/x
  3. Step 3: Cross multiply
    17,125.27x = 25,687.83 × 5,439.40
  4. Step 4: Simplify right side
    17,125.27x = 139,726,382.50
  5. Step 5: Solve for x
    x = 139,726,382.50/17,125.27
  6. Step 6: Final answer
    x = 8,159.08

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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.