Home / 26,749.44-40,149.72-12,908.16

Finding the Fourth Proportional to 26,749.44, 40,149.72 and 12,908.16

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Solution

The fourth proportional to 26,749.44, 40,149.72 and 12,908.16 is: 19,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.44 : 40,149.72 = 12,908.16 : x
  2. Step 2: Convert to fraction form
    26,749.44/40,149.72 = 12,908.16/x
  3. Step 3: Cross multiply
    26,749.44x = 40,149.72 × 12,908.16
  4. Step 4: Simplify right side
    26,749.44x = 518,259,009.72
  5. Step 5: Solve for x
    x = 518,259,009.72/26,749.44
  6. Step 6: Final answer
    x = 19,374.57

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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.