Home / 28,868.91-43,402.19-26,704.59

Finding the Fourth Proportional to 28,868.91, 43,402.19 and 26,704.59

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Solution

The fourth proportional to 28,868.91, 43,402.19 and 26,704.59 is: 40,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.91 : 43,402.19 = 26,704.59 : x
  2. Step 2: Convert to fraction form
    28,868.91/43,402.19 = 26,704.59/x
  3. Step 3: Cross multiply
    28,868.91x = 43,402.19 × 26,704.59
  4. Step 4: Simplify right side
    28,868.91x = 1,159,037,555.53
  5. Step 5: Solve for x
    x = 1,159,037,555.53/28,868.91
  6. Step 6: Final answer
    x = 40,148.30

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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.