Home / 27,396.20-37,806-15,458.84

Finding the Fourth Proportional to 27,396.20, 37,806 and 15,458.84

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Solution

The fourth proportional to 27,396.20, 37,806 and 15,458.84 is: 21,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.20 : 37,806 = 15,458.84 : x
  2. Step 2: Convert to fraction form
    27,396.20/37,806 = 15,458.84/x
  3. Step 3: Cross multiply
    27,396.20x = 37,806 × 15,458.84
  4. Step 4: Simplify right side
    27,396.20x = 584,436,905.04
  5. Step 5: Solve for x
    x = 584,436,905.04/27,396.20
  6. Step 6: Final answer
    x = 21,332.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.