Home / 21,442.31-32,157.38-13,532.96

Finding the Fourth Proportional to 21,442.31, 32,157.38 and 13,532.96

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Solution

The fourth proportional to 21,442.31, 32,157.38 and 13,532.96 is: 20,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.31 : 32,157.38 = 13,532.96 : x
  2. Step 2: Convert to fraction form
    21,442.31/32,157.38 = 13,532.96/x
  3. Step 3: Cross multiply
    21,442.31x = 32,157.38 × 13,532.96
  4. Step 4: Simplify right side
    21,442.31x = 435,184,308.79
  5. Step 5: Solve for x
    x = 435,184,308.79/21,442.31
  6. Step 6: Final answer
    x = 20,295.59

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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.