Home / 28,723.02-43,084.56-9,003.12

Finding the Fourth Proportional to 28,723.02, 43,084.56 and 9,003.12

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Solution

The fourth proportional to 28,723.02, 43,084.56 and 9,003.12 is: 13,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.02 : 43,084.56 = 9,003.12 : x
  2. Step 2: Convert to fraction form
    28,723.02/43,084.56 = 9,003.12/x
  3. Step 3: Cross multiply
    28,723.02x = 43,084.56 × 9,003.12
  4. Step 4: Simplify right side
    28,723.02x = 387,895,285.38
  5. Step 5: Solve for x
    x = 387,895,285.38/28,723.02
  6. Step 6: Final answer
    x = 13,504.68

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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.