Home / 21,760.08-32,654.72-13,974.36

Finding the Fourth Proportional to 21,760.08, 32,654.72 and 13,974.36

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Solution

The fourth proportional to 21,760.08, 32,654.72 and 13,974.36 is: 20,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.08 : 32,654.72 = 13,974.36 : x
  2. Step 2: Convert to fraction form
    21,760.08/32,654.72 = 13,974.36/x
  3. Step 3: Cross multiply
    21,760.08x = 32,654.72 × 13,974.36
  4. Step 4: Simplify right side
    21,760.08x = 456,328,743.11
  5. Step 5: Solve for x
    x = 456,328,743.11/21,760.08
  6. Step 6: Final answer
    x = 20,970.91

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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.