Home / 28,240.38-38,955.53-17,611.56

Finding the Fourth Proportional to 28,240.38, 38,955.53 and 17,611.56

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Solution

The fourth proportional to 28,240.38, 38,955.53 and 17,611.56 is: 24,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.38 : 38,955.53 = 17,611.56 : x
  2. Step 2: Convert to fraction form
    28,240.38/38,955.53 = 17,611.56/x
  3. Step 3: Cross multiply
    28,240.38x = 38,955.53 × 17,611.56
  4. Step 4: Simplify right side
    28,240.38x = 686,067,697.96
  5. Step 5: Solve for x
    x = 686,067,697.96/28,240.38
  6. Step 6: Final answer
    x = 24,293.86

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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.