Home / 23,188.48-32,001.36-13,117.28

Finding the Fourth Proportional to 23,188.48, 32,001.36 and 13,117.28

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Solution

The fourth proportional to 23,188.48, 32,001.36 and 13,117.28 is: 18,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.48 : 32,001.36 = 13,117.28 : x
  2. Step 2: Convert to fraction form
    23,188.48/32,001.36 = 13,117.28/x
  3. Step 3: Cross multiply
    23,188.48x = 32,001.36 × 13,117.28
  4. Step 4: Simplify right side
    23,188.48x = 419,770,799.50
  5. Step 5: Solve for x
    x = 419,770,799.50/23,188.48
  6. Step 6: Final answer
    x = 18,102.56

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1.5x scale

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.