Home / 28,894.64-43,355.70-20,023.61

Finding the Fourth Proportional to 28,894.64, 43,355.70 and 20,023.61

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Solution

The fourth proportional to 28,894.64, 43,355.70 and 20,023.61 is: 30,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.64 : 43,355.70 = 20,023.61 : x
  2. Step 2: Convert to fraction form
    28,894.64/43,355.70 = 20,023.61/x
  3. Step 3: Cross multiply
    28,894.64x = 43,355.70 × 20,023.61
  4. Step 4: Simplify right side
    28,894.64x = 868,137,411.30
  5. Step 5: Solve for x
    x = 868,137,411.30/28,894.64
  6. Step 6: Final answer
    x = 30,044.93

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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.