Home / 26,787.70-40,172.23-10,988.24

Finding the Fourth Proportional to 26,787.70, 40,172.23 and 10,988.24

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Solution

The fourth proportional to 26,787.70, 40,172.23 and 10,988.24 is: 16,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.70 : 40,172.23 = 10,988.24 : x
  2. Step 2: Convert to fraction form
    26,787.70/40,172.23 = 10,988.24/x
  3. Step 3: Cross multiply
    26,787.70x = 40,172.23 × 10,988.24
  4. Step 4: Simplify right side
    26,787.70x = 441,422,177.54
  5. Step 5: Solve for x
    x = 441,422,177.54/26,787.70
  6. Step 6: Final answer
    x = 16,478.54

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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.