Home / 26,271.57-36,254.83-14,940.78

Finding the Fourth Proportional to 26,271.57, 36,254.83 and 14,940.78

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Solution

The fourth proportional to 26,271.57, 36,254.83 and 14,940.78 is: 20,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.57 : 36,254.83 = 14,940.78 : x
  2. Step 2: Convert to fraction form
    26,271.57/36,254.83 = 14,940.78/x
  3. Step 3: Cross multiply
    26,271.57x = 36,254.83 × 14,940.78
  4. Step 4: Simplify right side
    26,271.57x = 541,675,438.97
  5. Step 5: Solve for x
    x = 541,675,438.97/26,271.57
  6. Step 6: Final answer
    x = 20,618.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.