Home / 28,836.07-39,794.30-16,902.79

Finding the Fourth Proportional to 28,836.07, 39,794.30 and 16,902.79

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Solution

The fourth proportional to 28,836.07, 39,794.30 and 16,902.79 is: 23,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.07 : 39,794.30 = 16,902.79 : x
  2. Step 2: Convert to fraction form
    28,836.07/39,794.30 = 16,902.79/x
  3. Step 3: Cross multiply
    28,836.07x = 39,794.30 × 16,902.79
  4. Step 4: Simplify right side
    28,836.07x = 672,634,696.10
  5. Step 5: Solve for x
    x = 672,634,696.10/28,836.07
  6. Step 6: Final answer
    x = 23,326.16

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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.