Home / 21,599.20-32,408.21-7,569.33

Finding the Fourth Proportional to 21,599.20, 32,408.21 and 7,569.33

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Solution

The fourth proportional to 21,599.20, 32,408.21 and 7,569.33 is: 11,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.20 : 32,408.21 = 7,569.33 : x
  2. Step 2: Convert to fraction form
    21,599.20/32,408.21 = 7,569.33/x
  3. Step 3: Cross multiply
    21,599.20x = 32,408.21 × 7,569.33
  4. Step 4: Simplify right side
    21,599.20x = 245,308,436.20
  5. Step 5: Solve for x
    x = 245,308,436.20/21,599.20
  6. Step 6: Final answer
    x = 11,357.29

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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.