Home / 25,353.50-38,030.34-6,885.50

Finding the Fourth Proportional to 25,353.50, 38,030.34 and 6,885.50

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Solution

The fourth proportional to 25,353.50, 38,030.34 and 6,885.50 is: 10,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.50 : 38,030.34 = 6,885.50 : x
  2. Step 2: Convert to fraction form
    25,353.50/38,030.34 = 6,885.50/x
  3. Step 3: Cross multiply
    25,353.50x = 38,030.34 × 6,885.50
  4. Step 4: Simplify right side
    25,353.50x = 261,857,906.07
  5. Step 5: Solve for x
    x = 261,857,906.07/25,353.50
  6. Step 6: Final answer
    x = 10,328.27

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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.