Home / 36,488.41-54,740.04-15,428.51

Finding the Fourth Proportional to 36,488.41, 54,740.04 and 15,428.51

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Solution

The fourth proportional to 36,488.41, 54,740.04 and 15,428.51 is: 23,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.41 : 54,740.04 = 15,428.51 : x
  2. Step 2: Convert to fraction form
    36,488.41/54,740.04 = 15,428.51/x
  3. Step 3: Cross multiply
    36,488.41x = 54,740.04 × 15,428.51
  4. Step 4: Simplify right side
    36,488.41x = 844,557,128.26
  5. Step 5: Solve for x
    x = 844,557,128.26/36,488.41
  6. Step 6: Final answer
    x = 23,145.90

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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.