Home / 38,317.82-57,428-17,235.32

Finding the Fourth Proportional to 38,317.82, 57,428 and 17,235.32

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Solution

The fourth proportional to 38,317.82, 57,428 and 17,235.32 is: 25,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.82 : 57,428 = 17,235.32 : x
  2. Step 2: Convert to fraction form
    38,317.82/57,428 = 17,235.32/x
  3. Step 3: Cross multiply
    38,317.82x = 57,428 × 17,235.32
  4. Step 4: Simplify right side
    38,317.82x = 989,789,956.96
  5. Step 5: Solve for x
    x = 989,789,956.96/38,317.82
  6. Step 6: Final answer
    x = 25,831.06

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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.