Home / 24,380.93-33,659.08-15,315.75

Finding the Fourth Proportional to 24,380.93, 33,659.08 and 15,315.75

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Solution

The fourth proportional to 24,380.93, 33,659.08 and 15,315.75 is: 21,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,380.93 : 33,659.08 = 15,315.75 : x
  2. Step 2: Convert to fraction form
    24,380.93/33,659.08 = 15,315.75/x
  3. Step 3: Cross multiply
    24,380.93x = 33,659.08 × 15,315.75
  4. Step 4: Simplify right side
    24,380.93x = 515,514,016.22
  5. Step 5: Solve for x
    x = 515,514,016.22/24,380.93
  6. Step 6: Final answer
    x = 21,144.15

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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.