Home / 21,388.17-32,082.35-7,352.27

Finding the Fourth Proportional to 21,388.17, 32,082.35 and 7,352.27

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Solution

The fourth proportional to 21,388.17, 32,082.35 and 7,352.27 is: 11,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.17 : 32,082.35 = 7,352.27 : x
  2. Step 2: Convert to fraction form
    21,388.17/32,082.35 = 7,352.27/x
  3. Step 3: Cross multiply
    21,388.17x = 32,082.35 × 7,352.27
  4. Step 4: Simplify right side
    21,388.17x = 235,877,902.26
  5. Step 5: Solve for x
    x = 235,877,902.26/21,388.17
  6. Step 6: Final answer
    x = 11,028.43

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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.