Home / 26,913.47-40,356.63-8,189.91

Finding the Fourth Proportional to 26,913.47, 40,356.63 and 8,189.91

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Solution

The fourth proportional to 26,913.47, 40,356.63 and 8,189.91 is: 12,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.47 : 40,356.63 = 8,189.91 : x
  2. Step 2: Convert to fraction form
    26,913.47/40,356.63 = 8,189.91/x
  3. Step 3: Cross multiply
    26,913.47x = 40,356.63 × 8,189.91
  4. Step 4: Simplify right side
    26,913.47x = 330,517,167.60
  5. Step 5: Solve for x
    x = 330,517,167.60/26,913.47
  6. Step 6: Final answer
    x = 12,280.74

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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.