Home / 18,448.29-27,691.27-13,503.24

Finding the Fourth Proportional to 18,448.29, 27,691.27 and 13,503.24

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Solution

The fourth proportional to 18,448.29, 27,691.27 and 13,503.24 is: 20,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.29 : 27,691.27 = 13,503.24 : x
  2. Step 2: Convert to fraction form
    18,448.29/27,691.27 = 13,503.24/x
  3. Step 3: Cross multiply
    18,448.29x = 27,691.27 × 13,503.24
  4. Step 4: Simplify right side
    18,448.29x = 373,921,830.96
  5. Step 5: Solve for x
    x = 373,921,830.96/18,448.29
  6. Step 6: Final answer
    x = 20,268.64

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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.