Home / 26,988.27-40,491.36-8,268.49

Finding the Fourth Proportional to 26,988.27, 40,491.36 and 8,268.49

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Solution

The fourth proportional to 26,988.27, 40,491.36 and 8,268.49 is: 12,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.27 : 40,491.36 = 8,268.49 : x
  2. Step 2: Convert to fraction form
    26,988.27/40,491.36 = 8,268.49/x
  3. Step 3: Cross multiply
    26,988.27x = 40,491.36 × 8,268.49
  4. Step 4: Simplify right side
    26,988.27x = 334,802,161.45
  5. Step 5: Solve for x
    x = 334,802,161.45/26,988.27
  6. Step 6: Final answer
    x = 12,405.47

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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.