Home / 26,780.86-40,189.71-9,250.72

Finding the Fourth Proportional to 26,780.86, 40,189.71 and 9,250.72

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Solution

The fourth proportional to 26,780.86, 40,189.71 and 9,250.72 is: 13,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.86 : 40,189.71 = 9,250.72 : x
  2. Step 2: Convert to fraction form
    26,780.86/40,189.71 = 9,250.72/x
  3. Step 3: Cross multiply
    26,780.86x = 40,189.71 × 9,250.72
  4. Step 4: Simplify right side
    26,780.86x = 371,783,754.09
  5. Step 5: Solve for x
    x = 371,783,754.09/26,780.86
  6. Step 6: Final answer
    x = 13,882.44

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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.