Home / 21,605.45-32,371.29-15,334.43

Finding the Fourth Proportional to 21,605.45, 32,371.29 and 15,334.43

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Solution

The fourth proportional to 21,605.45, 32,371.29 and 15,334.43 is: 22,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,605.45 : 32,371.29 = 15,334.43 : x
  2. Step 2: Convert to fraction form
    21,605.45/32,371.29 = 15,334.43/x
  3. Step 3: Cross multiply
    21,605.45x = 32,371.29 × 15,334.43
  4. Step 4: Simplify right side
    21,605.45x = 496,395,118.66
  5. Step 5: Solve for x
    x = 496,395,118.66/21,605.45
  6. Step 6: Final answer
    x = 22,975.46

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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.