Home / 21,680.97-32,505.64-14,643.52

Finding the Fourth Proportional to 21,680.97, 32,505.64 and 14,643.52

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Solution

The fourth proportional to 21,680.97, 32,505.64 and 14,643.52 is: 21,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680.97 : 32,505.64 = 14,643.52 : x
  2. Step 2: Convert to fraction form
    21,680.97/32,505.64 = 14,643.52/x
  3. Step 3: Cross multiply
    21,680.97x = 32,505.64 × 14,643.52
  4. Step 4: Simplify right side
    21,680.97x = 475,996,871.58
  5. Step 5: Solve for x
    x = 475,996,871.58/21,680.97
  6. Step 6: Final answer
    x = 21,954.60

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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.