Home / 20,394.46-28,131.42-14,737.51

Finding the Fourth Proportional to 20,394.46, 28,131.42 and 14,737.51

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Solution

The fourth proportional to 20,394.46, 28,131.42 and 14,737.51 is: 20,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.46 : 28,131.42 = 14,737.51 : x
  2. Step 2: Convert to fraction form
    20,394.46/28,131.42 = 14,737.51/x
  3. Step 3: Cross multiply
    20,394.46x = 28,131.42 × 14,737.51
  4. Step 4: Simplify right side
    20,394.46x = 414,587,083.56
  5. Step 5: Solve for x
    x = 414,587,083.56/20,394.46
  6. Step 6: Final answer
    x = 20,328.42

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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.