Home / 22,795.22-31,471.85-15,637.13

Finding the Fourth Proportional to 22,795.22, 31,471.85 and 15,637.13

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Solution

The fourth proportional to 22,795.22, 31,471.85 and 15,637.13 is: 21,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.22 : 31,471.85 = 15,637.13 : x
  2. Step 2: Convert to fraction form
    22,795.22/31,471.85 = 15,637.13/x
  3. Step 3: Cross multiply
    22,795.22x = 31,471.85 × 15,637.13
  4. Step 4: Simplify right side
    22,795.22x = 492,129,409.54
  5. Step 5: Solve for x
    x = 492,129,409.54/22,795.22
  6. Step 6: Final answer
    x = 21,589.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.