Home / 28,049.17-38,700.95-17,144.54

Finding the Fourth Proportional to 28,049.17, 38,700.95 and 17,144.54

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Solution

The fourth proportional to 28,049.17, 38,700.95 and 17,144.54 is: 23,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.17 : 38,700.95 = 17,144.54 : x
  2. Step 2: Convert to fraction form
    28,049.17/38,700.95 = 17,144.54/x
  3. Step 3: Cross multiply
    28,049.17x = 38,700.95 × 17,144.54
  4. Step 4: Simplify right side
    28,049.17x = 663,509,996.34
  5. Step 5: Solve for x
    x = 663,509,996.34/28,049.17
  6. Step 6: Final answer
    x = 23,655.25

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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.