Home / 21,608.50-32,412.42-13,177.48

Finding the Fourth Proportional to 21,608.50, 32,412.42 and 13,177.48

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Solution

The fourth proportional to 21,608.50, 32,412.42 and 13,177.48 is: 19,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.50 : 32,412.42 = 13,177.48 : x
  2. Step 2: Convert to fraction form
    21,608.50/32,412.42 = 13,177.48/x
  3. Step 3: Cross multiply
    21,608.50x = 32,412.42 × 13,177.48
  4. Step 4: Simplify right side
    21,608.50x = 427,113,854.24
  5. Step 5: Solve for x
    x = 427,113,854.24/21,608.50
  6. Step 6: Final answer
    x = 19,766.02

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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.