Home / 26,919.07-40,378.77-9,388.92

Finding the Fourth Proportional to 26,919.07, 40,378.77 and 9,388.92

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Solution

The fourth proportional to 26,919.07, 40,378.77 and 9,388.92 is: 14,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.07 : 40,378.77 = 9,388.92 : x
  2. Step 2: Convert to fraction form
    26,919.07/40,378.77 = 9,388.92/x
  3. Step 3: Cross multiply
    26,919.07x = 40,378.77 × 9,388.92
  4. Step 4: Simplify right side
    26,919.07x = 379,113,041.23
  5. Step 5: Solve for x
    x = 379,113,041.23/26,919.07
  6. Step 6: Final answer
    x = 14,083.44

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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.