Home / 28,224.24-38,938.50-18,151.38

Finding the Fourth Proportional to 28,224.24, 38,938.50 and 18,151.38

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Solution

The fourth proportional to 28,224.24, 38,938.50 and 18,151.38 is: 25,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.24 : 38,938.50 = 18,151.38 : x
  2. Step 2: Convert to fraction form
    28,224.24/38,938.50 = 18,151.38/x
  3. Step 3: Cross multiply
    28,224.24x = 38,938.50 × 18,151.38
  4. Step 4: Simplify right side
    28,224.24x = 706,787,510.13
  5. Step 5: Solve for x
    x = 706,787,510.13/28,224.24
  6. Step 6: Final answer
    x = 25,041.86

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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.