Home / 25,578.23-38,378.95-11,530.67

Finding the Fourth Proportional to 25,578.23, 38,378.95 and 11,530.67

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Solution

The fourth proportional to 25,578.23, 38,378.95 and 11,530.67 is: 17,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.23 : 38,378.95 = 11,530.67 : x
  2. Step 2: Convert to fraction form
    25,578.23/38,378.95 = 11,530.67/x
  3. Step 3: Cross multiply
    25,578.23x = 38,378.95 × 11,530.67
  4. Step 4: Simplify right side
    25,578.23x = 442,534,786.68
  5. Step 5: Solve for x
    x = 442,534,786.68/25,578.23
  6. Step 6: Final answer
    x = 17,301.23

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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.