Home / 28,740.16-43,110.24-7,963.66

Finding the Fourth Proportional to 28,740.16, 43,110.24 and 7,963.66

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Solution

The fourth proportional to 28,740.16, 43,110.24 and 7,963.66 is: 11,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.16 : 43,110.24 = 7,963.66 : x
  2. Step 2: Convert to fraction form
    28,740.16/43,110.24 = 7,963.66/x
  3. Step 3: Cross multiply
    28,740.16x = 43,110.24 × 7,963.66
  4. Step 4: Simplify right side
    28,740.16x = 343,315,293.88
  5. Step 5: Solve for x
    x = 343,315,293.88/28,740.16
  6. Step 6: Final answer
    x = 11,945.49

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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.