Home / 26,965.95-40,440.12-8,949.34

Finding the Fourth Proportional to 26,965.95, 40,440.12 and 8,949.34

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Solution

The fourth proportional to 26,965.95, 40,440.12 and 8,949.34 is: 13,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.95 : 40,440.12 = 8,949.34 : x
  2. Step 2: Convert to fraction form
    26,965.95/40,440.12 = 8,949.34/x
  3. Step 3: Cross multiply
    26,965.95x = 40,440.12 × 8,949.34
  4. Step 4: Simplify right side
    26,965.95x = 361,912,391.81
  5. Step 5: Solve for x
    x = 361,912,391.81/26,965.95
  6. Step 6: Final answer
    x = 13,421.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.