Home / 21,316.01-31,964.30-10,227.92

Finding the Fourth Proportional to 21,316.01, 31,964.30 and 10,227.92

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Solution

The fourth proportional to 21,316.01, 31,964.30 and 10,227.92 is: 15,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316.01 : 31,964.30 = 10,227.92 : x
  2. Step 2: Convert to fraction form
    21,316.01/31,964.30 = 10,227.92/x
  3. Step 3: Cross multiply
    21,316.01x = 31,964.30 × 10,227.92
  4. Step 4: Simplify right side
    21,316.01x = 326,928,383.17
  5. Step 5: Solve for x
    x = 326,928,383.17/21,316.01
  6. Step 6: Final answer
    x = 15,337.22

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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.