Home / 26,222.70-39,330.45-8,690.70

Finding the Fourth Proportional to 26,222.70, 39,330.45 and 8,690.70

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Solution

The fourth proportional to 26,222.70, 39,330.45 and 8,690.70 is: 13,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.70 : 39,330.45 = 8,690.70 : x
  2. Step 2: Convert to fraction form
    26,222.70/39,330.45 = 8,690.70/x
  3. Step 3: Cross multiply
    26,222.70x = 39,330.45 × 8,690.70
  4. Step 4: Simplify right side
    26,222.70x = 341,809,141.82
  5. Step 5: Solve for x
    x = 341,809,141.82/26,222.70
  6. Step 6: Final answer
    x = 13,034.86

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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.