Home / 28,728.56-43,092.84-9,008.70

Finding the Fourth Proportional to 28,728.56, 43,092.84 and 9,008.70

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Solution

The fourth proportional to 28,728.56, 43,092.84 and 9,008.70 is: 13,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.56 : 43,092.84 = 9,008.70 : x
  2. Step 2: Convert to fraction form
    28,728.56/43,092.84 = 9,008.70/x
  3. Step 3: Cross multiply
    28,728.56x = 43,092.84 × 9,008.70
  4. Step 4: Simplify right side
    28,728.56x = 388,210,467.71
  5. Step 5: Solve for x
    x = 388,210,467.71/28,728.56
  6. Step 6: Final answer
    x = 13,513.05

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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.