Home / 26,350.80-39,528.21-8,820.66

Finding the Fourth Proportional to 26,350.80, 39,528.21 and 8,820.66

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Solution

The fourth proportional to 26,350.80, 39,528.21 and 8,820.66 is: 13,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,350.80 : 39,528.21 = 8,820.66 : x
  2. Step 2: Convert to fraction form
    26,350.80/39,528.21 = 8,820.66/x
  3. Step 3: Cross multiply
    26,350.80x = 39,528.21 × 8,820.66
  4. Step 4: Simplify right side
    26,350.80x = 348,664,900.82
  5. Step 5: Solve for x
    x = 348,664,900.82/26,350.80
  6. Step 6: Final answer
    x = 13,231.66

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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.