Home / 26,556.91-39,859.96-13,418.50

Finding the Fourth Proportional to 26,556.91, 39,859.96 and 13,418.50

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Solution

The fourth proportional to 26,556.91, 39,859.96 and 13,418.50 is: 20,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.91 : 39,859.96 = 13,418.50 : x
  2. Step 2: Convert to fraction form
    26,556.91/39,859.96 = 13,418.50/x
  3. Step 3: Cross multiply
    26,556.91x = 39,859.96 × 13,418.50
  4. Step 4: Simplify right side
    26,556.91x = 534,860,873.26
  5. Step 5: Solve for x
    x = 534,860,873.26/26,556.91
  6. Step 6: Final answer
    x = 20,140.18

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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.