Home / 28,929.73-43,419.25-11,411.86

Finding the Fourth Proportional to 28,929.73, 43,419.25 and 11,411.86

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Solution

The fourth proportional to 28,929.73, 43,419.25 and 11,411.86 is: 17,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.73 : 43,419.25 = 11,411.86 : x
  2. Step 2: Convert to fraction form
    28,929.73/43,419.25 = 11,411.86/x
  3. Step 3: Cross multiply
    28,929.73x = 43,419.25 × 11,411.86
  4. Step 4: Simplify right side
    28,929.73x = 495,494,402.31
  5. Step 5: Solve for x
    x = 495,494,402.31/28,929.73
  6. Step 6: Final answer
    x = 17,127.52

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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.