Home / 28,724.72-43,087.10-9,004.82

Finding the Fourth Proportional to 28,724.72, 43,087.10 and 9,004.82

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Solution

The fourth proportional to 28,724.72, 43,087.10 and 9,004.82 is: 13,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.72 : 43,087.10 = 9,004.82 : x
  2. Step 2: Convert to fraction form
    28,724.72/43,087.10 = 9,004.82/x
  3. Step 3: Cross multiply
    28,724.72x = 43,087.10 × 9,004.82
  4. Step 4: Simplify right side
    28,724.72x = 387,991,319.36
  5. Step 5: Solve for x
    x = 387,991,319.36/28,724.72
  6. Step 6: Final answer
    x = 13,507.23

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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.