Home / 28,864.35-39,832.83-16,767.18

Finding the Fourth Proportional to 28,864.35, 39,832.83 and 16,767.18

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Solution

The fourth proportional to 28,864.35, 39,832.83 and 16,767.18 is: 23,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.35 : 39,832.83 = 16,767.18 : x
  2. Step 2: Convert to fraction form
    28,864.35/39,832.83 = 16,767.18/x
  3. Step 3: Cross multiply
    28,864.35x = 39,832.83 × 16,767.18
  4. Step 4: Simplify right side
    28,864.35x = 667,884,230.52
  5. Step 5: Solve for x
    x = 667,884,230.52/28,864.35
  6. Step 6: Final answer
    x = 23,138.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.