Home / 21,251.70-32,036.72-19,824.48

Finding the Fourth Proportional to 21,251.70, 32,036.72 and 19,824.48

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Solution

The fourth proportional to 21,251.70, 32,036.72 and 19,824.48 is: 29,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251.70 : 32,036.72 = 19,824.48 : x
  2. Step 2: Convert to fraction form
    21,251.70/32,036.72 = 19,824.48/x
  3. Step 3: Cross multiply
    21,251.70x = 32,036.72 × 19,824.48
  4. Step 4: Simplify right side
    21,251.70x = 635,111,215.78
  5. Step 5: Solve for x
    x = 635,111,215.78/21,251.70
  6. Step 6: Final answer
    x = 29,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.