Home / 21,880.26-32,771.14-15,335.66

Finding the Fourth Proportional to 21,880.26, 32,771.14 and 15,335.66

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Solution

The fourth proportional to 21,880.26, 32,771.14 and 15,335.66 is: 22,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.26 : 32,771.14 = 15,335.66 : x
  2. Step 2: Convert to fraction form
    21,880.26/32,771.14 = 15,335.66/x
  3. Step 3: Cross multiply
    21,880.26x = 32,771.14 × 15,335.66
  4. Step 4: Simplify right side
    21,880.26x = 502,567,104.44
  5. Step 5: Solve for x
    x = 502,567,104.44/21,880.26
  6. Step 6: Final answer
    x = 22,968.97

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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.