Home / 28,679.95-43,022.58-11,151.10

Finding the Fourth Proportional to 28,679.95, 43,022.58 and 11,151.10

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Solution

The fourth proportional to 28,679.95, 43,022.58 and 11,151.10 is: 16,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.95 : 43,022.58 = 11,151.10 : x
  2. Step 2: Convert to fraction form
    28,679.95/43,022.58 = 11,151.10/x
  3. Step 3: Cross multiply
    28,679.95x = 43,022.58 × 11,151.10
  4. Step 4: Simplify right side
    28,679.95x = 479,749,091.84
  5. Step 5: Solve for x
    x = 479,749,091.84/28,679.95
  6. Step 6: Final answer
    x = 16,727.68

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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.