Home / 25,911.90-38,871.03-9,273.69

Finding the Fourth Proportional to 25,911.90, 38,871.03 and 9,273.69

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Solution

The fourth proportional to 25,911.90, 38,871.03 and 9,273.69 is: 13,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.90 : 38,871.03 = 9,273.69 : x
  2. Step 2: Convert to fraction form
    25,911.90/38,871.03 = 9,273.69/x
  3. Step 3: Cross multiply
    25,911.90x = 38,871.03 × 9,273.69
  4. Step 4: Simplify right side
    25,911.90x = 360,477,882.20
  5. Step 5: Solve for x
    x = 360,477,882.20/25,911.90
  6. Step 6: Final answer
    x = 13,911.67

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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.