Home / 23,739.65-32,761.35-13,129.67

Finding the Fourth Proportional to 23,739.65, 32,761.35 and 13,129.67

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Solution

The fourth proportional to 23,739.65, 32,761.35 and 13,129.67 is: 18,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.65 : 32,761.35 = 13,129.67 : x
  2. Step 2: Convert to fraction form
    23,739.65/32,761.35 = 13,129.67/x
  3. Step 3: Cross multiply
    23,739.65x = 32,761.35 × 13,129.67
  4. Step 4: Simplify right side
    23,739.65x = 430,145,714.25
  5. Step 5: Solve for x
    x = 430,145,714.25/23,739.65
  6. Step 6: Final answer
    x = 18,119.29

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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.