Home / 26,618.24-39,910.80-9,969.60

Finding the Fourth Proportional to 26,618.24, 39,910.80 and 9,969.60

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Solution

The fourth proportional to 26,618.24, 39,910.80 and 9,969.60 is: 14,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.24 : 39,910.80 = 9,969.60 : x
  2. Step 2: Convert to fraction form
    26,618.24/39,910.80 = 9,969.60/x
  3. Step 3: Cross multiply
    26,618.24x = 39,910.80 × 9,969.60
  4. Step 4: Simplify right side
    26,618.24x = 397,894,711.68
  5. Step 5: Solve for x
    x = 397,894,711.68/26,618.24
  6. Step 6: Final answer
    x = 14,948.20

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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.