Home / 28,994.63-40,012.61-16,419.38

Finding the Fourth Proportional to 28,994.63, 40,012.61 and 16,419.38

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Solution

The fourth proportional to 28,994.63, 40,012.61 and 16,419.38 is: 22,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.63 : 40,012.61 = 16,419.38 : x
  2. Step 2: Convert to fraction form
    28,994.63/40,012.61 = 16,419.38/x
  3. Step 3: Cross multiply
    28,994.63x = 40,012.61 × 16,419.38
  4. Step 4: Simplify right side
    28,994.63x = 656,981,966.22
  5. Step 5: Solve for x
    x = 656,981,966.22/28,994.63
  6. Step 6: Final answer
    x = 22,658.75

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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.