Home / 19,421.12-26,799.68-11,036

Finding the Fourth Proportional to 19,421.12, 26,799.68 and 11,036

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Solution

The fourth proportional to 19,421.12, 26,799.68 and 11,036 is: 15,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.12 : 26,799.68 = 11,036 : x
  2. Step 2: Convert to fraction form
    19,421.12/26,799.68 = 11,036/x
  3. Step 3: Cross multiply
    19,421.12x = 26,799.68 × 11,036
  4. Step 4: Simplify right side
    19,421.12x = 295,761,268.48
  5. Step 5: Solve for x
    x = 295,761,268.48/19,421.12
  6. Step 6: Final answer
    x = 15,228.85

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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.