Home / 26,890.58-40,340.48-8,172.51

Finding the Fourth Proportional to 26,890.58, 40,340.48 and 8,172.51

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Solution

The fourth proportional to 26,890.58, 40,340.48 and 8,172.51 is: 12,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.58 : 40,340.48 = 8,172.51 : x
  2. Step 2: Convert to fraction form
    26,890.58/40,340.48 = 8,172.51/x
  3. Step 3: Cross multiply
    26,890.58x = 40,340.48 × 8,172.51
  4. Step 4: Simplify right side
    26,890.58x = 329,682,774.50
  5. Step 5: Solve for x
    x = 329,682,774.50/26,890.58
  6. Step 6: Final answer
    x = 12,260.16

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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.