Home / 21,104.16-31,671.81-10,010.89

Finding the Fourth Proportional to 21,104.16, 31,671.81 and 10,010.89

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Solution

The fourth proportional to 21,104.16, 31,671.81 and 10,010.89 is: 15,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.16 : 31,671.81 = 10,010.89 : x
  2. Step 2: Convert to fraction form
    21,104.16/31,671.81 = 10,010.89/x
  3. Step 3: Cross multiply
    21,104.16x = 31,671.81 × 10,010.89
  4. Step 4: Simplify right side
    21,104.16x = 317,063,006.01
  5. Step 5: Solve for x
    x = 317,063,006.01/21,104.16
  6. Step 6: Final answer
    x = 15,023.72

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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.