Home / 26,689.86-36,808.14-22,145.34

Finding the Fourth Proportional to 26,689.86, 36,808.14 and 22,145.34

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Solution

The fourth proportional to 26,689.86, 36,808.14 and 22,145.34 is: 30,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.86 : 36,808.14 = 22,145.34 : x
  2. Step 2: Convert to fraction form
    26,689.86/36,808.14 = 22,145.34/x
  3. Step 3: Cross multiply
    26,689.86x = 36,808.14 × 22,145.34
  4. Step 4: Simplify right side
    26,689.86x = 815,128,789.10
  5. Step 5: Solve for x
    x = 815,128,789.10/26,689.86
  6. Step 6: Final answer
    x = 30,540.77

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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.