Home / 26,815.34-36,999.78-16,205.56

Finding the Fourth Proportional to 26,815.34, 36,999.78 and 16,205.56

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Solution

The fourth proportional to 26,815.34, 36,999.78 and 16,205.56 is: 22,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.34 : 36,999.78 = 16,205.56 : x
  2. Step 2: Convert to fraction form
    26,815.34/36,999.78 = 16,205.56/x
  3. Step 3: Cross multiply
    26,815.34x = 36,999.78 × 16,205.56
  4. Step 4: Simplify right side
    26,815.34x = 599,602,154.78
  5. Step 5: Solve for x
    x = 599,602,154.78/26,815.34
  6. Step 6: Final answer
    x = 22,360.42

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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.