Home / 26,826.32-40,243.80-8,354

Finding the Fourth Proportional to 26,826.32, 40,243.80 and 8,354

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Solution

The fourth proportional to 26,826.32, 40,243.80 and 8,354 is: 12,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.32 : 40,243.80 = 8,354 : x
  2. Step 2: Convert to fraction form
    26,826.32/40,243.80 = 8,354/x
  3. Step 3: Cross multiply
    26,826.32x = 40,243.80 × 8,354
  4. Step 4: Simplify right side
    26,826.32x = 336,196,705.20
  5. Step 5: Solve for x
    x = 336,196,705.20/26,826.32
  6. Step 6: Final answer
    x = 12,532.35

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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.