Home / 25,346.40-38,025.03-7,578.45

Finding the Fourth Proportional to 25,346.40, 38,025.03 and 7,578.45

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Solution

The fourth proportional to 25,346.40, 38,025.03 and 7,578.45 is: 11,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.40 : 38,025.03 = 7,578.45 : x
  2. Step 2: Convert to fraction form
    25,346.40/38,025.03 = 7,578.45/x
  3. Step 3: Cross multiply
    25,346.40x = 38,025.03 × 7,578.45
  4. Step 4: Simplify right side
    25,346.40x = 288,170,788.60
  5. Step 5: Solve for x
    x = 288,170,788.60/25,346.40
  6. Step 6: Final answer
    x = 11,369.30

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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.