Home / 25,347.90-38,027.28-7,579.95

Finding the Fourth Proportional to 25,347.90, 38,027.28 and 7,579.95

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Solution

The fourth proportional to 25,347.90, 38,027.28 and 7,579.95 is: 11,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.90 : 38,027.28 = 7,579.95 : x
  2. Step 2: Convert to fraction form
    25,347.90/38,027.28 = 7,579.95/x
  3. Step 3: Cross multiply
    25,347.90x = 38,027.28 × 7,579.95
  4. Step 4: Simplify right side
    25,347.90x = 288,244,881.04
  5. Step 5: Solve for x
    x = 288,244,881.04/25,347.90
  6. Step 6: Final answer
    x = 11,371.55

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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.