Home / 21,526.88-32,298.60-8,388.56

Finding the Fourth Proportional to 21,526.88, 32,298.60 and 8,388.56

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Solution

The fourth proportional to 21,526.88, 32,298.60 and 8,388.56 is: 12,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.88 : 32,298.60 = 8,388.56 : x
  2. Step 2: Convert to fraction form
    21,526.88/32,298.60 = 8,388.56/x
  3. Step 3: Cross multiply
    21,526.88x = 32,298.60 × 8,388.56
  4. Step 4: Simplify right side
    21,526.88x = 270,938,744.02
  5. Step 5: Solve for x
    x = 270,938,744.02/21,526.88
  6. Step 6: Final answer
    x = 12,586.07

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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.