Home / 26,911.36-37,151.13-20,848.11

Finding the Fourth Proportional to 26,911.36, 37,151.13 and 20,848.11

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Solution

The fourth proportional to 26,911.36, 37,151.13 and 20,848.11 is: 28,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.36 : 37,151.13 = 20,848.11 : x
  2. Step 2: Convert to fraction form
    26,911.36/37,151.13 = 20,848.11/x
  3. Step 3: Cross multiply
    26,911.36x = 37,151.13 × 20,848.11
  4. Step 4: Simplify right side
    26,911.36x = 774,530,844.86
  5. Step 5: Solve for x
    x = 774,530,844.86/26,911.36
  6. Step 6: Final answer
    x = 28,780.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.