Home / 28,872.75-39,844.40-16,298.31

Finding the Fourth Proportional to 28,872.75, 39,844.40 and 16,298.31

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Solution

The fourth proportional to 28,872.75, 39,844.40 and 16,298.31 is: 22,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.75 : 39,844.40 = 16,298.31 : x
  2. Step 2: Convert to fraction form
    28,872.75/39,844.40 = 16,298.31/x
  3. Step 3: Cross multiply
    28,872.75x = 39,844.40 × 16,298.31
  4. Step 4: Simplify right side
    28,872.75x = 649,396,382.96
  5. Step 5: Solve for x
    x = 649,396,382.96/28,872.75
  6. Step 6: Final answer
    x = 22,491.67

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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.