Home / 20,410.18-28,166.34-12,026.68

Finding the Fourth Proportional to 20,410.18, 28,166.34 and 12,026.68

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Solution

The fourth proportional to 20,410.18, 28,166.34 and 12,026.68 is: 16,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.18 : 28,166.34 = 12,026.68 : x
  2. Step 2: Convert to fraction form
    20,410.18/28,166.34 = 12,026.68/x
  3. Step 3: Cross multiply
    20,410.18x = 28,166.34 × 12,026.68
  4. Step 4: Simplify right side
    20,410.18x = 338,747,557.95
  5. Step 5: Solve for x
    x = 338,747,557.95/20,410.18
  6. Step 6: Final answer
    x = 16,596.99

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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.