Home / 25,435.62-38,159.91-7,905.60

Finding the Fourth Proportional to 25,435.62, 38,159.91 and 7,905.60

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Solution

The fourth proportional to 25,435.62, 38,159.91 and 7,905.60 is: 11,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.62 : 38,159.91 = 7,905.60 : x
  2. Step 2: Convert to fraction form
    25,435.62/38,159.91 = 7,905.60/x
  3. Step 3: Cross multiply
    25,435.62x = 38,159.91 × 7,905.60
  4. Step 4: Simplify right side
    25,435.62x = 301,676,984.50
  5. Step 5: Solve for x
    x = 301,676,984.50/25,435.62
  6. Step 6: Final answer
    x = 11,860.41

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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.