Home / 26,557.08-39,860.22-13,418.70

Finding the Fourth Proportional to 26,557.08, 39,860.22 and 13,418.70

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Solution

The fourth proportional to 26,557.08, 39,860.22 and 13,418.70 is: 20,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.08 : 39,860.22 = 13,418.70 : x
  2. Step 2: Convert to fraction form
    26,557.08/39,860.22 = 13,418.70/x
  3. Step 3: Cross multiply
    26,557.08x = 39,860.22 × 13,418.70
  4. Step 4: Simplify right side
    26,557.08x = 534,872,334.11
  5. Step 5: Solve for x
    x = 534,872,334.11/26,557.08
  6. Step 6: Final answer
    x = 20,140.48

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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.