Home / 28,728.68-43,093.02-9,008.83

Finding the Fourth Proportional to 28,728.68, 43,093.02 and 9,008.83

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Solution

The fourth proportional to 28,728.68, 43,093.02 and 9,008.83 is: 13,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.68 : 43,093.02 = 9,008.83 : x
  2. Step 2: Convert to fraction form
    28,728.68/43,093.02 = 9,008.83/x
  3. Step 3: Cross multiply
    28,728.68x = 43,093.02 × 9,008.83
  4. Step 4: Simplify right side
    28,728.68x = 388,217,475.90
  5. Step 5: Solve for x
    x = 388,217,475.90/28,728.68
  6. Step 6: Final answer
    x = 13,513.24

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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.