Home / 26,678.60-36,846.18-20,701.11

Finding the Fourth Proportional to 26,678.60, 36,846.18 and 20,701.11

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Solution

The fourth proportional to 26,678.60, 36,846.18 and 20,701.11 is: 28,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.60 : 36,846.18 = 20,701.11 : x
  2. Step 2: Convert to fraction form
    26,678.60/36,846.18 = 20,701.11/x
  3. Step 3: Cross multiply
    26,678.60x = 36,846.18 × 20,701.11
  4. Step 4: Simplify right side
    26,678.60x = 762,756,963.43
  5. Step 5: Solve for x
    x = 762,756,963.43/26,678.60
  6. Step 6: Final answer
    x = 28,590.59

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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.