Home / 25,825.08-38,752.38-21,495

Finding the Fourth Proportional to 25,825.08, 38,752.38 and 21,495

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Solution

The fourth proportional to 25,825.08, 38,752.38 and 21,495 is: 32,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.08 : 38,752.38 = 21,495 : x
  2. Step 2: Convert to fraction form
    25,825.08/38,752.38 = 21,495/x
  3. Step 3: Cross multiply
    25,825.08x = 38,752.38 × 21,495
  4. Step 4: Simplify right side
    25,825.08x = 832,982,408.10
  5. Step 5: Solve for x
    x = 832,982,408.10/25,825.08
  6. Step 6: Final answer
    x = 32,254.79

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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.