Home / 21,325.68-32,034.96-20,625.84

Finding the Fourth Proportional to 21,325.68, 32,034.96 and 20,625.84

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Solution

The fourth proportional to 21,325.68, 32,034.96 and 20,625.84 is: 30,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,325.68 : 32,034.96 = 20,625.84 : x
  2. Step 2: Convert to fraction form
    21,325.68/32,034.96 = 20,625.84/x
  3. Step 3: Cross multiply
    21,325.68x = 32,034.96 × 20,625.84
  4. Step 4: Simplify right side
    21,325.68x = 660,747,959.37
  5. Step 5: Solve for x
    x = 660,747,959.37/21,325.68
  6. Step 6: Final answer
    x = 30,983.68

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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.