Home / 26,749.76-40,150.56-12,908.48

Finding the Fourth Proportional to 26,749.76, 40,150.56 and 12,908.48

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Solution

The fourth proportional to 26,749.76, 40,150.56 and 12,908.48 is: 19,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.76 : 40,150.56 = 12,908.48 : x
  2. Step 2: Convert to fraction form
    26,749.76/40,150.56 = 12,908.48/x
  3. Step 3: Cross multiply
    26,749.76x = 40,150.56 × 12,908.48
  4. Step 4: Simplify right side
    26,749.76x = 518,282,700.75
  5. Step 5: Solve for x
    x = 518,282,700.75/26,749.76
  6. Step 6: Final answer
    x = 19,375.23

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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.