Home / 18,625.24-27,937.02-5,478.04

Finding the Fourth Proportional to 18,625.24, 27,937.02 and 5,478.04

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Solution

The fourth proportional to 18,625.24, 27,937.02 and 5,478.04 is: 8,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.24 : 27,937.02 = 5,478.04 : x
  2. Step 2: Convert to fraction form
    18,625.24/27,937.02 = 5,478.04/x
  3. Step 3: Cross multiply
    18,625.24x = 27,937.02 × 5,478.04
  4. Step 4: Simplify right side
    18,625.24x = 153,040,113.04
  5. Step 5: Solve for x
    x = 153,040,113.04/18,625.24
  6. Step 6: Final answer
    x = 8,216.81

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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.