Home / 19,824.40-27,357.60-10,871.67

Finding the Fourth Proportional to 19,824.40, 27,357.60 and 10,871.67

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Solution

The fourth proportional to 19,824.40, 27,357.60 and 10,871.67 is: 15,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.40 : 27,357.60 = 10,871.67 : x
  2. Step 2: Convert to fraction form
    19,824.40/27,357.60 = 10,871.67/x
  3. Step 3: Cross multiply
    19,824.40x = 27,357.60 × 10,871.67
  4. Step 4: Simplify right side
    19,824.40x = 297,422,799.19
  5. Step 5: Solve for x
    x = 297,422,799.19/19,824.40
  6. Step 6: Final answer
    x = 15,002.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.