Home / 25,938.60-38,904.03-7,216.68

Finding the Fourth Proportional to 25,938.60, 38,904.03 and 7,216.68

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Solution

The fourth proportional to 25,938.60, 38,904.03 and 7,216.68 is: 10,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.60 : 38,904.03 = 7,216.68 : x
  2. Step 2: Convert to fraction form
    25,938.60/38,904.03 = 7,216.68/x
  3. Step 3: Cross multiply
    25,938.60x = 38,904.03 × 7,216.68
  4. Step 4: Simplify right side
    25,938.60x = 280,757,935.22
  5. Step 5: Solve for x
    x = 280,757,935.22/25,938.60
  6. Step 6: Final answer
    x = 10,823.94

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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.