Home / 28,401.36-39,193.80-16,471.62

Finding the Fourth Proportional to 28,401.36, 39,193.80 and 16,471.62

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Solution

The fourth proportional to 28,401.36, 39,193.80 and 16,471.62 is: 22,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.36 : 39,193.80 = 16,471.62 : x
  2. Step 2: Convert to fraction form
    28,401.36/39,193.80 = 16,471.62/x
  3. Step 3: Cross multiply
    28,401.36x = 39,193.80 × 16,471.62
  4. Step 4: Simplify right side
    28,401.36x = 645,585,379.96
  5. Step 5: Solve for x
    x = 645,585,379.96/28,401.36
  6. Step 6: Final answer
    x = 22,730.79

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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.