Home / 26,676.95-40,021.49-9,145.71

Finding the Fourth Proportional to 26,676.95, 40,021.49 and 9,145.71

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Solution

The fourth proportional to 26,676.95, 40,021.49 and 9,145.71 is: 13,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.95 : 40,021.49 = 9,145.71 : x
  2. Step 2: Convert to fraction form
    26,676.95/40,021.49 = 9,145.71/x
  3. Step 3: Cross multiply
    26,676.95x = 40,021.49 × 9,145.71
  4. Step 4: Simplify right side
    26,676.95x = 366,024,964.17
  5. Step 5: Solve for x
    x = 366,024,964.17/26,676.95
  6. Step 6: Final answer
    x = 13,720.65

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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.