Home / 28,860.58-43,295.20-10,137.32

Finding the Fourth Proportional to 28,860.58, 43,295.20 and 10,137.32

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Solution

The fourth proportional to 28,860.58, 43,295.20 and 10,137.32 is: 15,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.58 : 43,295.20 = 10,137.32 : x
  2. Step 2: Convert to fraction form
    28,860.58/43,295.20 = 10,137.32/x
  3. Step 3: Cross multiply
    28,860.58x = 43,295.20 × 10,137.32
  4. Step 4: Simplify right side
    28,860.58x = 438,897,055.04
  5. Step 5: Solve for x
    x = 438,897,055.04/28,860.58
  6. Step 6: Final answer
    x = 15,207.49

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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.