Home / 22,428.41-30,727.05-21,587.63

Finding the Fourth Proportional to 22,428.41, 30,727.05 and 21,587.63

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Solution

The fourth proportional to 22,428.41, 30,727.05 and 21,587.63 is: 29,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.41 : 30,727.05 = 21,587.63 : x
  2. Step 2: Convert to fraction form
    22,428.41/30,727.05 = 21,587.63/x
  3. Step 3: Cross multiply
    22,428.41x = 30,727.05 × 21,587.63
  4. Step 4: Simplify right side
    22,428.41x = 663,324,032.76
  5. Step 5: Solve for x
    x = 663,324,032.76/22,428.41
  6. Step 6: Final answer
    x = 29,575.18

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.