Home / 22,988.86-31,724.58-13,435.36

Finding the Fourth Proportional to 22,988.86, 31,724.58 and 13,435.36

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Solution

The fourth proportional to 22,988.86, 31,724.58 and 13,435.36 is: 18,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.86 : 31,724.58 = 13,435.36 : x
  2. Step 2: Convert to fraction form
    22,988.86/31,724.58 = 13,435.36/x
  3. Step 3: Cross multiply
    22,988.86x = 31,724.58 × 13,435.36
  4. Step 4: Simplify right side
    22,988.86x = 426,231,153.15
  5. Step 5: Solve for x
    x = 426,231,153.15/22,988.86
  6. Step 6: Final answer
    x = 18,540.77

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Why These Related Problems?

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