Home / 26,769.84-40,100.22-12,687.18

Finding the Fourth Proportional to 26,769.84, 40,100.22 and 12,687.18

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Solution

The fourth proportional to 26,769.84, 40,100.22 and 12,687.18 is: 19,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.84 : 40,100.22 = 12,687.18 : x
  2. Step 2: Convert to fraction form
    26,769.84/40,100.22 = 12,687.18/x
  3. Step 3: Cross multiply
    26,769.84x = 40,100.22 × 12,687.18
  4. Step 4: Simplify right side
    26,769.84x = 508,758,709.18
  5. Step 5: Solve for x
    x = 508,758,709.18/26,769.84
  6. Step 6: Final answer
    x = 19,004.92

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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.