Home / 21,525.06-32,287.35-15,173.79

Finding the Fourth Proportional to 21,525.06, 32,287.35 and 15,173.79

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Solution

The fourth proportional to 21,525.06, 32,287.35 and 15,173.79 is: 22,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.06 : 32,287.35 = 15,173.79 : x
  2. Step 2: Convert to fraction form
    21,525.06/32,287.35 = 15,173.79/x
  3. Step 3: Cross multiply
    21,525.06x = 32,287.35 × 15,173.79
  4. Step 4: Simplify right side
    21,525.06x = 489,921,468.56
  5. Step 5: Solve for x
    x = 489,921,468.56/21,525.06
  6. Step 6: Final answer
    x = 22,760.52

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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.