Home / 21,859.20-32,823.36-17,262.72

Finding the Fourth Proportional to 21,859.20, 32,823.36 and 17,262.72

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Solution

The fourth proportional to 21,859.20, 32,823.36 and 17,262.72 is: 25,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859.20 : 32,823.36 = 17,262.72 : x
  2. Step 2: Convert to fraction form
    21,859.20/32,823.36 = 17,262.72/x
  3. Step 3: Cross multiply
    21,859.20x = 32,823.36 × 17,262.72
  4. Step 4: Simplify right side
    21,859.20x = 566,620,473.14
  5. Step 5: Solve for x
    x = 566,620,473.14/21,859.20
  6. Step 6: Final answer
    x = 25,921.37

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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.