Home / 22,543.48-31,110.47-13,589.09

Finding the Fourth Proportional to 22,543.48, 31,110.47 and 13,589.09

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Solution

The fourth proportional to 22,543.48, 31,110.47 and 13,589.09 is: 18,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.48 : 31,110.47 = 13,589.09 : x
  2. Step 2: Convert to fraction form
    22,543.48/31,110.47 = 13,589.09/x
  3. Step 3: Cross multiply
    22,543.48x = 31,110.47 × 13,589.09
  4. Step 4: Simplify right side
    22,543.48x = 422,762,976.77
  5. Step 5: Solve for x
    x = 422,762,976.77/22,543.48
  6. Step 6: Final answer
    x = 18,753.23

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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.