Home / 26,630.08-39,891.64-13,262.80

Finding the Fourth Proportional to 26,630.08, 39,891.64 and 13,262.80

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Solution

The fourth proportional to 26,630.08, 39,891.64 and 13,262.80 is: 19,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.08 : 39,891.64 = 13,262.80 : x
  2. Step 2: Convert to fraction form
    26,630.08/39,891.64 = 13,262.80/x
  3. Step 3: Cross multiply
    26,630.08x = 39,891.64 × 13,262.80
  4. Step 4: Simplify right side
    26,630.08x = 529,074,842.99
  5. Step 5: Solve for x
    x = 529,074,842.99/26,630.08
  6. Step 6: Final answer
    x = 19,867.56

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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.