Home / 26,868.35-40,302.38-6,877.80

Finding the Fourth Proportional to 26,868.35, 40,302.38 and 6,877.80

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Solution

The fourth proportional to 26,868.35, 40,302.38 and 6,877.80 is: 10,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.35 : 40,302.38 = 6,877.80 : x
  2. Step 2: Convert to fraction form
    26,868.35/40,302.38 = 6,877.80/x
  3. Step 3: Cross multiply
    26,868.35x = 40,302.38 × 6,877.80
  4. Step 4: Simplify right side
    26,868.35x = 277,191,674.78
  5. Step 5: Solve for x
    x = 277,191,674.78/26,868.35
  6. Step 6: Final answer
    x = 10,316.66

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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.