Home / 28,429.18-39,284.40-27,063.52

Finding the Fourth Proportional to 28,429.18, 39,284.40 and 27,063.52

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Solution

The fourth proportional to 28,429.18, 39,284.40 and 27,063.52 is: 37,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.18 : 39,284.40 = 27,063.52 : x
  2. Step 2: Convert to fraction form
    28,429.18/39,284.40 = 27,063.52/x
  3. Step 3: Cross multiply
    28,429.18x = 39,284.40 × 27,063.52
  4. Step 4: Simplify right side
    28,429.18x = 1,063,174,145.09
  5. Step 5: Solve for x
    x = 1,063,174,145.09/28,429.18
  6. Step 6: Final answer
    x = 37,397.28

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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.