Home / 26,285.28-39,428.52-8,756.52

Finding the Fourth Proportional to 26,285.28, 39,428.52 and 8,756.52

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Solution

The fourth proportional to 26,285.28, 39,428.52 and 8,756.52 is: 13,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.28 : 39,428.52 = 8,756.52 : x
  2. Step 2: Convert to fraction form
    26,285.28/39,428.52 = 8,756.52/x
  3. Step 3: Cross multiply
    26,285.28x = 39,428.52 × 8,756.52
  4. Step 4: Simplify right side
    26,285.28x = 345,256,623.95
  5. Step 5: Solve for x
    x = 345,256,623.95/26,285.28
  6. Step 6: Final answer
    x = 13,134.98

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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.