Home / 28,740.02-43,109.82-7,963.52

Finding the Fourth Proportional to 28,740.02, 43,109.82 and 7,963.52

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Solution

The fourth proportional to 28,740.02, 43,109.82 and 7,963.52 is: 11,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.02 : 43,109.82 = 7,963.52 : x
  2. Step 2: Convert to fraction form
    28,740.02/43,109.82 = 7,963.52/x
  3. Step 3: Cross multiply
    28,740.02x = 43,109.82 × 7,963.52
  4. Step 4: Simplify right side
    28,740.02x = 343,305,698.22
  5. Step 5: Solve for x
    x = 343,305,698.22/28,740.02
  6. Step 6: Final answer
    x = 11,945.22

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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.