Home / 21,044.52-31,572.27-7,006.68

Finding the Fourth Proportional to 21,044.52, 31,572.27 and 7,006.68

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Solution

The fourth proportional to 21,044.52, 31,572.27 and 7,006.68 is: 10,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.52 : 31,572.27 = 7,006.68 : x
  2. Step 2: Convert to fraction form
    21,044.52/31,572.27 = 7,006.68/x
  3. Step 3: Cross multiply
    21,044.52x = 31,572.27 × 7,006.68
  4. Step 4: Simplify right side
    21,044.52x = 221,216,792.76
  5. Step 5: Solve for x
    x = 221,216,792.76/21,044.52
  6. Step 6: Final answer
    x = 10,511.85

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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.