Home / 28,873.84-43,310.75-9,152.39

Finding the Fourth Proportional to 28,873.84, 43,310.75 and 9,152.39

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Solution

The fourth proportional to 28,873.84, 43,310.75 and 9,152.39 is: 13,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.84 : 43,310.75 = 9,152.39 : x
  2. Step 2: Convert to fraction form
    28,873.84/43,310.75 = 9,152.39/x
  3. Step 3: Cross multiply
    28,873.84x = 43,310.75 × 9,152.39
  4. Step 4: Simplify right side
    28,873.84x = 396,396,658.64
  5. Step 5: Solve for x
    x = 396,396,658.64/28,873.84
  6. Step 6: Final answer
    x = 13,728.57

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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.