Home / 26,930.70-40,398.08-7,208.82

Finding the Fourth Proportional to 26,930.70, 40,398.08 and 7,208.82

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Solution

The fourth proportional to 26,930.70, 40,398.08 and 7,208.82 is: 10,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.70 : 40,398.08 = 7,208.82 : x
  2. Step 2: Convert to fraction form
    26,930.70/40,398.08 = 7,208.82/x
  3. Step 3: Cross multiply
    26,930.70x = 40,398.08 × 7,208.82
  4. Step 4: Simplify right side
    26,930.70x = 291,222,451.02
  5. Step 5: Solve for x
    x = 291,222,451.02/26,930.70
  6. Step 6: Final answer
    x = 10,813.77

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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.