Home / 26,783.49-40,180.86-10,143.16

Finding the Fourth Proportional to 26,783.49, 40,180.86 and 10,143.16

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Solution

The fourth proportional to 26,783.49, 40,180.86 and 10,143.16 is: 15,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.49 : 40,180.86 = 10,143.16 : x
  2. Step 2: Convert to fraction form
    26,783.49/40,180.86 = 10,143.16/x
  3. Step 3: Cross multiply
    26,783.49x = 40,180.86 × 10,143.16
  4. Step 4: Simplify right side
    26,783.49x = 407,560,791.47
  5. Step 5: Solve for x
    x = 407,560,791.47/26,783.49
  6. Step 6: Final answer
    x = 15,216.86

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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.