Home / 26,833.78-40,156.50-21,555.82

Finding the Fourth Proportional to 26,833.78, 40,156.50 and 21,555.82

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Solution

The fourth proportional to 26,833.78, 40,156.50 and 21,555.82 is: 32,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,833.78 : 40,156.50 = 21,555.82 : x
  2. Step 2: Convert to fraction form
    26,833.78/40,156.50 = 21,555.82/x
  3. Step 3: Cross multiply
    26,833.78x = 40,156.50 × 21,555.82
  4. Step 4: Simplify right side
    26,833.78x = 865,606,285.83
  5. Step 5: Solve for x
    x = 865,606,285.83/26,833.78
  6. Step 6: Final answer
    x = 32,258.08

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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.