Home / 21,044.54-31,585.26-8,564.52

Finding the Fourth Proportional to 21,044.54, 31,585.26 and 8,564.52

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Solution

The fourth proportional to 21,044.54, 31,585.26 and 8,564.52 is: 12,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.54 : 31,585.26 = 8,564.52 : x
  2. Step 2: Convert to fraction form
    21,044.54/31,585.26 = 8,564.52/x
  3. Step 3: Cross multiply
    21,044.54x = 31,585.26 × 8,564.52
  4. Step 4: Simplify right side
    21,044.54x = 270,512,590.98
  5. Step 5: Solve for x
    x = 270,512,590.98/21,044.54
  6. Step 6: Final answer
    x = 12,854.29

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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.