Home / 26,878.06-40,317.18-11,295.64

Finding the Fourth Proportional to 26,878.06, 40,317.18 and 11,295.64

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Solution

The fourth proportional to 26,878.06, 40,317.18 and 11,295.64 is: 16,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.06 : 40,317.18 = 11,295.64 : x
  2. Step 2: Convert to fraction form
    26,878.06/40,317.18 = 11,295.64/x
  3. Step 3: Cross multiply
    26,878.06x = 40,317.18 × 11,295.64
  4. Step 4: Simplify right side
    26,878.06x = 455,408,351.10
  5. Step 5: Solve for x
    x = 455,408,351.10/26,878.06
  6. Step 6: Final answer
    x = 16,943.50

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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.