Home / 26,936.84-40,400.07-15,830.55

Finding the Fourth Proportional to 26,936.84, 40,400.07 and 15,830.55

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Solution

The fourth proportional to 26,936.84, 40,400.07 and 15,830.55 is: 23,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.84 : 40,400.07 = 15,830.55 : x
  2. Step 2: Convert to fraction form
    26,936.84/40,400.07 = 15,830.55/x
  3. Step 3: Cross multiply
    26,936.84x = 40,400.07 × 15,830.55
  4. Step 4: Simplify right side
    26,936.84x = 639,555,328.14
  5. Step 5: Solve for x
    x = 639,555,328.14/26,936.84
  6. Step 6: Final answer
    x = 23,742.78

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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.