Home / 23,739.78-32,760.34-13,129.19

Finding the Fourth Proportional to 23,739.78, 32,760.34 and 13,129.19

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Solution

The fourth proportional to 23,739.78, 32,760.34 and 13,129.19 is: 18,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.78 : 32,760.34 = 13,129.19 : x
  2. Step 2: Convert to fraction form
    23,739.78/32,760.34 = 13,129.19/x
  3. Step 3: Cross multiply
    23,739.78x = 32,760.34 × 13,129.19
  4. Step 4: Simplify right side
    23,739.78x = 430,116,531.70
  5. Step 5: Solve for x
    x = 430,116,531.70/23,739.78
  6. Step 6: Final answer
    x = 18,117.97

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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.