Home / 28,839.32-39,794.70-16,899.92

Finding the Fourth Proportional to 28,839.32, 39,794.70 and 16,899.92

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Solution

The fourth proportional to 28,839.32, 39,794.70 and 16,899.92 is: 23,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.32 : 39,794.70 = 16,899.92 : x
  2. Step 2: Convert to fraction form
    28,839.32/39,794.70 = 16,899.92/x
  3. Step 3: Cross multiply
    28,839.32x = 39,794.70 × 16,899.92
  4. Step 4: Simplify right side
    28,839.32x = 672,527,246.42
  5. Step 5: Solve for x
    x = 672,527,246.42/28,839.32
  6. Step 6: Final answer
    x = 23,319.80

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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.