Home / 26,977.70-40,430.10-18,067.70

Finding the Fourth Proportional to 26,977.70, 40,430.10 and 18,067.70

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Solution

The fourth proportional to 26,977.70, 40,430.10 and 18,067.70 is: 27,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,977.70 : 40,430.10 = 18,067.70 : x
  2. Step 2: Convert to fraction form
    26,977.70/40,430.10 = 18,067.70/x
  3. Step 3: Cross multiply
    26,977.70x = 40,430.10 × 18,067.70
  4. Step 4: Simplify right side
    26,977.70x = 730,478,917.77
  5. Step 5: Solve for x
    x = 730,478,917.77/26,977.70
  6. Step 6: Final answer
    x = 27,077.14

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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.