Home / 28,837.59-39,797.40-16,904.78

Finding the Fourth Proportional to 28,837.59, 39,797.40 and 16,904.78

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Solution

The fourth proportional to 28,837.59, 39,797.40 and 16,904.78 is: 23,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.59 : 39,797.40 = 16,904.78 : x
  2. Step 2: Convert to fraction form
    28,837.59/39,797.40 = 16,904.78/x
  3. Step 3: Cross multiply
    28,837.59x = 39,797.40 × 16,904.78
  4. Step 4: Simplify right side
    28,837.59x = 672,766,145.74
  5. Step 5: Solve for x
    x = 672,766,145.74/28,837.59
  6. Step 6: Final answer
    x = 23,329.48

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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.