Home / 25,429.76-38,148.72-7,895.48

Finding the Fourth Proportional to 25,429.76, 38,148.72 and 7,895.48

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Solution

The fourth proportional to 25,429.76, 38,148.72 and 7,895.48 is: 11,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.76 : 38,148.72 = 7,895.48 : x
  2. Step 2: Convert to fraction form
    25,429.76/38,148.72 = 7,895.48/x
  3. Step 3: Cross multiply
    25,429.76x = 38,148.72 × 7,895.48
  4. Step 4: Simplify right side
    25,429.76x = 301,202,455.79
  5. Step 5: Solve for x
    x = 301,202,455.79/25,429.76
  6. Step 6: Final answer
    x = 11,844.49

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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.