Home / 26,916.71-40,375.07-12,108.32

Finding the Fourth Proportional to 26,916.71, 40,375.07 and 12,108.32

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Solution

The fourth proportional to 26,916.71, 40,375.07 and 12,108.32 is: 18,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.71 : 40,375.07 = 12,108.32 : x
  2. Step 2: Convert to fraction form
    26,916.71/40,375.07 = 12,108.32/x
  3. Step 3: Cross multiply
    26,916.71x = 40,375.07 × 12,108.32
  4. Step 4: Simplify right side
    26,916.71x = 488,874,398.79
  5. Step 5: Solve for x
    x = 488,874,398.79/26,916.71
  6. Step 6: Final answer
    x = 18,162.49

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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.