Home / 25,832.20-38,699.70-13,309.60

Finding the Fourth Proportional to 25,832.20, 38,699.70 and 13,309.60

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Solution

The fourth proportional to 25,832.20, 38,699.70 and 13,309.60 is: 19,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.20 : 38,699.70 = 13,309.60 : x
  2. Step 2: Convert to fraction form
    25,832.20/38,699.70 = 13,309.60/x
  3. Step 3: Cross multiply
    25,832.20x = 38,699.70 × 13,309.60
  4. Step 4: Simplify right side
    25,832.20x = 515,077,527.12
  5. Step 5: Solve for x
    x = 515,077,527.12/25,832.20
  6. Step 6: Final answer
    x = 19,939.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.