Home / 20,690.33-31,026.29-5,895.90

Finding the Fourth Proportional to 20,690.33, 31,026.29 and 5,895.90

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Solution

The fourth proportional to 20,690.33, 31,026.29 and 5,895.90 is: 8,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,690.33 : 31,026.29 = 5,895.90 : x
  2. Step 2: Convert to fraction form
    20,690.33/31,026.29 = 5,895.90/x
  3. Step 3: Cross multiply
    20,690.33x = 31,026.29 × 5,895.90
  4. Step 4: Simplify right side
    20,690.33x = 182,927,873.73
  5. Step 5: Solve for x
    x = 182,927,873.73/20,690.33
  6. Step 6: Final answer
    x = 8,841.23

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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.