Home / 21,435.33-32,158.05-8,948.41

Finding the Fourth Proportional to 21,435.33, 32,158.05 and 8,948.41

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Solution

The fourth proportional to 21,435.33, 32,158.05 and 8,948.41 is: 13,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.33 : 32,158.05 = 8,948.41 : x
  2. Step 2: Convert to fraction form
    21,435.33/32,158.05 = 8,948.41/x
  3. Step 3: Cross multiply
    21,435.33x = 32,158.05 × 8,948.41
  4. Step 4: Simplify right side
    21,435.33x = 287,763,416.20
  5. Step 5: Solve for x
    x = 287,763,416.20/21,435.33
  6. Step 6: Final answer
    x = 13,424.73

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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.