Home / 26,783.42-40,180.98-10,143.56

Finding the Fourth Proportional to 26,783.42, 40,180.98 and 10,143.56

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Solution

The fourth proportional to 26,783.42, 40,180.98 and 10,143.56 is: 15,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.42 : 40,180.98 = 10,143.56 : x
  2. Step 2: Convert to fraction form
    26,783.42/40,180.98 = 10,143.56/x
  3. Step 3: Cross multiply
    26,783.42x = 40,180.98 × 10,143.56
  4. Step 4: Simplify right side
    26,783.42x = 407,577,980.58
  5. Step 5: Solve for x
    x = 407,577,980.58/26,783.42
  6. Step 6: Final answer
    x = 15,217.55

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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.