Home / 26,766.72-36,940.32-15,438.24

Finding the Fourth Proportional to 26,766.72, 36,940.32 and 15,438.24

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Solution

The fourth proportional to 26,766.72, 36,940.32 and 15,438.24 is: 21,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.72 : 36,940.32 = 15,438.24 : x
  2. Step 2: Convert to fraction form
    26,766.72/36,940.32 = 15,438.24/x
  3. Step 3: Cross multiply
    26,766.72x = 36,940.32 × 15,438.24
  4. Step 4: Simplify right side
    26,766.72x = 570,293,525.84
  5. Step 5: Solve for x
    x = 570,293,525.84/26,766.72
  6. Step 6: Final answer
    x = 21,306.07

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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.