Home / 25,757.19-38,583.86-21,585.51

Finding the Fourth Proportional to 25,757.19, 38,583.86 and 21,585.51

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Solution

The fourth proportional to 25,757.19, 38,583.86 and 21,585.51 is: 32,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.19 : 38,583.86 = 21,585.51 : x
  2. Step 2: Convert to fraction form
    25,757.19/38,583.86 = 21,585.51/x
  3. Step 3: Cross multiply
    25,757.19x = 38,583.86 × 21,585.51
  4. Step 4: Simplify right side
    25,757.19x = 832,852,187.94
  5. Step 5: Solve for x
    x = 832,852,187.94/25,757.19
  6. Step 6: Final answer
    x = 32,334.75

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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.