Home / 26,255.16-39,389.76-11,465.28

Finding the Fourth Proportional to 26,255.16, 39,389.76 and 11,465.28

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Solution

The fourth proportional to 26,255.16, 39,389.76 and 11,465.28 is: 17,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.16 : 39,389.76 = 11,465.28 : x
  2. Step 2: Convert to fraction form
    26,255.16/39,389.76 = 11,465.28/x
  3. Step 3: Cross multiply
    26,255.16x = 39,389.76 × 11,465.28
  4. Step 4: Simplify right side
    26,255.16x = 451,614,627.53
  5. Step 5: Solve for x
    x = 451,614,627.53/26,255.16
  6. Step 6: Final answer
    x = 17,200.99

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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.