Home / 28,939.29-43,411.50-11,404.95

Finding the Fourth Proportional to 28,939.29, 43,411.50 and 11,404.95

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Solution

The fourth proportional to 28,939.29, 43,411.50 and 11,404.95 is: 17,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.29 : 43,411.50 = 11,404.95 : x
  2. Step 2: Convert to fraction form
    28,939.29/43,411.50 = 11,404.95/x
  3. Step 3: Cross multiply
    28,939.29x = 43,411.50 × 11,404.95
  4. Step 4: Simplify right side
    28,939.29x = 495,105,986.93
  5. Step 5: Solve for x
    x = 495,105,986.93/28,939.29
  6. Step 6: Final answer
    x = 17,108.44

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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.