Home / 21,343.26-32,016.60-5,760.66

Finding the Fourth Proportional to 21,343.26, 32,016.60 and 5,760.66

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Solution

The fourth proportional to 21,343.26, 32,016.60 and 5,760.66 is: 8,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.26 : 32,016.60 = 5,760.66 : x
  2. Step 2: Convert to fraction form
    21,343.26/32,016.60 = 5,760.66/x
  3. Step 3: Cross multiply
    21,343.26x = 32,016.60 × 5,760.66
  4. Step 4: Simplify right side
    21,343.26x = 184,436,746.96
  5. Step 5: Solve for x
    x = 184,436,746.96/21,343.26
  6. Step 6: Final answer
    x = 8,641.45

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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.