Home / 26,820.20-40,049.69-21,899.44

Finding the Fourth Proportional to 26,820.20, 40,049.69 and 21,899.44

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Solution

The fourth proportional to 26,820.20, 40,049.69 and 21,899.44 is: 32,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.20 : 40,049.69 = 21,899.44 : x
  2. Step 2: Convert to fraction form
    26,820.20/40,049.69 = 21,899.44/x
  3. Step 3: Cross multiply
    26,820.20x = 40,049.69 × 21,899.44
  4. Step 4: Simplify right side
    26,820.20x = 877,065,783.17
  5. Step 5: Solve for x
    x = 877,065,783.17/26,820.20
  6. Step 6: Final answer
    x = 32,701.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.