Home / 21,764.35-32,644.71-15,412.97

Finding the Fourth Proportional to 21,764.35, 32,644.71 and 15,412.97

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Solution

The fourth proportional to 21,764.35, 32,644.71 and 15,412.97 is: 23,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.35 : 32,644.71 = 15,412.97 : x
  2. Step 2: Convert to fraction form
    21,764.35/32,644.71 = 15,412.97/x
  3. Step 3: Cross multiply
    21,764.35x = 32,644.71 × 15,412.97
  4. Step 4: Simplify right side
    21,764.35x = 503,151,935.89
  5. Step 5: Solve for x
    x = 503,151,935.89/21,764.35
  6. Step 6: Final answer
    x = 23,118.17

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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.