Home / 21,758.75-32,633.55-10,654.25

Finding the Fourth Proportional to 21,758.75, 32,633.55 and 10,654.25

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Solution

The fourth proportional to 21,758.75, 32,633.55 and 10,654.25 is: 15,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758.75 : 32,633.55 = 10,654.25 : x
  2. Step 2: Convert to fraction form
    21,758.75/32,633.55 = 10,654.25/x
  3. Step 3: Cross multiply
    21,758.75x = 32,633.55 × 10,654.25
  4. Step 4: Simplify right side
    21,758.75x = 347,686,000.09
  5. Step 5: Solve for x
    x = 347,686,000.09/21,758.75
  6. Step 6: Final answer
    x = 15,979.13

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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.