Home / 26,877.15-36,967.14-21,560.31

Finding the Fourth Proportional to 26,877.15, 36,967.14 and 21,560.31

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Solution

The fourth proportional to 26,877.15, 36,967.14 and 21,560.31 is: 29,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.15 : 36,967.14 = 21,560.31 : x
  2. Step 2: Convert to fraction form
    26,877.15/36,967.14 = 21,560.31/x
  3. Step 3: Cross multiply
    26,877.15x = 36,967.14 × 21,560.31
  4. Step 4: Simplify right side
    26,877.15x = 797,022,998.21
  5. Step 5: Solve for x
    x = 797,022,998.21/26,877.15
  6. Step 6: Final answer
    x = 29,654.30

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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.