Home / 25,529.47-38,294.46-8,889.90

Finding the Fourth Proportional to 25,529.47, 38,294.46 and 8,889.90

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Solution

The fourth proportional to 25,529.47, 38,294.46 and 8,889.90 is: 13,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.47 : 38,294.46 = 8,889.90 : x
  2. Step 2: Convert to fraction form
    25,529.47/38,294.46 = 8,889.90/x
  3. Step 3: Cross multiply
    25,529.47x = 38,294.46 × 8,889.90
  4. Step 4: Simplify right side
    25,529.47x = 340,433,829.96
  5. Step 5: Solve for x
    x = 340,433,829.96/25,529.47
  6. Step 6: Final answer
    x = 13,334.94

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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.