Home / 26,948-40,395.76-11,356.32

Finding the Fourth Proportional to 26,948, 40,395.76 and 11,356.32

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Solution

The fourth proportional to 26,948, 40,395.76 and 11,356.32 is: 17,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948 : 40,395.76 = 11,356.32 : x
  2. Step 2: Convert to fraction form
    26,948/40,395.76 = 11,356.32/x
  3. Step 3: Cross multiply
    26,948x = 40,395.76 × 11,356.32
  4. Step 4: Simplify right side
    26,948x = 458,747,177.20
  5. Step 5: Solve for x
    x = 458,747,177.20/26,948
  6. Step 6: Final answer
    x = 17,023.42

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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.