Home / 28,998.63-40,019.09-16,251.66

Finding the Fourth Proportional to 28,998.63, 40,019.09 and 16,251.66

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Solution

The fourth proportional to 28,998.63, 40,019.09 and 16,251.66 is: 22,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.63 : 40,019.09 = 16,251.66 : x
  2. Step 2: Convert to fraction form
    28,998.63/40,019.09 = 16,251.66/x
  3. Step 3: Cross multiply
    28,998.63x = 40,019.09 × 16,251.66
  4. Step 4: Simplify right side
    28,998.63x = 650,376,562.93
  5. Step 5: Solve for x
    x = 650,376,562.93/28,998.63
  6. Step 6: Final answer
    x = 22,427.84

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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.