Home / 26,866.02-40,299.03-8,145.90

Finding the Fourth Proportional to 26,866.02, 40,299.03 and 8,145.90

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Solution

The fourth proportional to 26,866.02, 40,299.03 and 8,145.90 is: 12,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,866.02 : 40,299.03 = 8,145.90 : x
  2. Step 2: Convert to fraction form
    26,866.02/40,299.03 = 8,145.90/x
  3. Step 3: Cross multiply
    26,866.02x = 40,299.03 × 8,145.90
  4. Step 4: Simplify right side
    26,866.02x = 328,271,868.48
  5. Step 5: Solve for x
    x = 328,271,868.48/26,866.02
  6. Step 6: Final answer
    x = 12,218.85

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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.