Home / 28,816.74-43,218.38-11,041.12

Finding the Fourth Proportional to 28,816.74, 43,218.38 and 11,041.12

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Solution

The fourth proportional to 28,816.74, 43,218.38 and 11,041.12 is: 16,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.74 : 43,218.38 = 11,041.12 : x
  2. Step 2: Convert to fraction form
    28,816.74/43,218.38 = 11,041.12/x
  3. Step 3: Cross multiply
    28,816.74x = 43,218.38 × 11,041.12
  4. Step 4: Simplify right side
    28,816.74x = 477,179,319.79
  5. Step 5: Solve for x
    x = 477,179,319.79/28,816.74
  6. Step 6: Final answer
    x = 16,559.10

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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.