Home / 26,012.12-39,022.28-8,477.88

Finding the Fourth Proportional to 26,012.12, 39,022.28 and 8,477.88

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Solution

The fourth proportional to 26,012.12, 39,022.28 and 8,477.88 is: 12,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.12 : 39,022.28 = 8,477.88 : x
  2. Step 2: Convert to fraction form
    26,012.12/39,022.28 = 8,477.88/x
  3. Step 3: Cross multiply
    26,012.12x = 39,022.28 × 8,477.88
  4. Step 4: Simplify right side
    26,012.12x = 330,826,207.17
  5. Step 5: Solve for x
    x = 330,826,207.17/26,012.12
  6. Step 6: Final answer
    x = 12,718.16

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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.