Home / 21,652.74-32,398.20-15,427.08

Finding the Fourth Proportional to 21,652.74, 32,398.20 and 15,427.08

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Solution

The fourth proportional to 21,652.74, 32,398.20 and 15,427.08 is: 23,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.74 : 32,398.20 = 15,427.08 : x
  2. Step 2: Convert to fraction form
    21,652.74/32,398.20 = 15,427.08/x
  3. Step 3: Cross multiply
    21,652.74x = 32,398.20 × 15,427.08
  4. Step 4: Simplify right side
    21,652.74x = 499,809,623.26
  5. Step 5: Solve for x
    x = 499,809,623.26/21,652.74
  6. Step 6: Final answer
    x = 23,082.97

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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.