Home / 26,528.85-39,808.80-9,900.36

Finding the Fourth Proportional to 26,528.85, 39,808.80 and 9,900.36

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Solution

The fourth proportional to 26,528.85, 39,808.80 and 9,900.36 is: 14,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.85 : 39,808.80 = 9,900.36 : x
  2. Step 2: Convert to fraction form
    26,528.85/39,808.80 = 9,900.36/x
  3. Step 3: Cross multiply
    26,528.85x = 39,808.80 × 9,900.36
  4. Step 4: Simplify right side
    26,528.85x = 394,121,451.17
  5. Step 5: Solve for x
    x = 394,121,451.17/26,528.85
  6. Step 6: Final answer
    x = 14,856.33

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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.