Home / 21,915.97-32,873.95-14,130.25

Finding the Fourth Proportional to 21,915.97, 32,873.95 and 14,130.25

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Solution

The fourth proportional to 21,915.97, 32,873.95 and 14,130.25 is: 21,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915.97 : 32,873.95 = 14,130.25 : x
  2. Step 2: Convert to fraction form
    21,915.97/32,873.95 = 14,130.25/x
  3. Step 3: Cross multiply
    21,915.97x = 32,873.95 × 14,130.25
  4. Step 4: Simplify right side
    21,915.97x = 464,517,067.47
  5. Step 5: Solve for x
    x = 464,517,067.47/21,915.97
  6. Step 6: Final answer
    x = 21,195.37

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Similar ratio
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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.