Home / 28,860.71-43,295.38-10,137.44

Finding the Fourth Proportional to 28,860.71, 43,295.38 and 10,137.44

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Solution

The fourth proportional to 28,860.71, 43,295.38 and 10,137.44 is: 15,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.71 : 43,295.38 = 10,137.44 : x
  2. Step 2: Convert to fraction form
    28,860.71/43,295.38 = 10,137.44/x
  3. Step 3: Cross multiply
    28,860.71x = 43,295.38 × 10,137.44
  4. Step 4: Simplify right side
    28,860.71x = 438,904,317.03
  5. Step 5: Solve for x
    x = 438,904,317.03/28,860.71
  6. Step 6: Final answer
    x = 15,207.68

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1.5x scale

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.