Home / 26,871.68-40,126.44-21,951.04

Finding the Fourth Proportional to 26,871.68, 40,126.44 and 21,951.04

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Solution

The fourth proportional to 26,871.68, 40,126.44 and 21,951.04 is: 32,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.68 : 40,126.44 = 21,951.04 : x
  2. Step 2: Convert to fraction form
    26,871.68/40,126.44 = 21,951.04/x
  3. Step 3: Cross multiply
    26,871.68x = 40,126.44 × 21,951.04
  4. Step 4: Simplify right side
    26,871.68x = 880,817,089.50
  5. Step 5: Solve for x
    x = 880,817,089.50/26,871.68
  6. Step 6: Final answer
    x = 32,778.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.