Home / 21,801.06-32,721.60-13,497.30

Finding the Fourth Proportional to 21,801.06, 32,721.60 and 13,497.30

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Solution

The fourth proportional to 21,801.06, 32,721.60 and 13,497.30 is: 20,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.06 : 32,721.60 = 13,497.30 : x
  2. Step 2: Convert to fraction form
    21,801.06/32,721.60 = 13,497.30/x
  3. Step 3: Cross multiply
    21,801.06x = 32,721.60 × 13,497.30
  4. Step 4: Simplify right side
    21,801.06x = 441,653,251.68
  5. Step 5: Solve for x
    x = 441,653,251.68/21,801.06
  6. Step 6: Final answer
    x = 20,258.34

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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.