Home / 27,929.21-38,544.24-15,353.96

Finding the Fourth Proportional to 27,929.21, 38,544.24 and 15,353.96

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Solution

The fourth proportional to 27,929.21, 38,544.24 and 15,353.96 is: 21,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.21 : 38,544.24 = 15,353.96 : x
  2. Step 2: Convert to fraction form
    27,929.21/38,544.24 = 15,353.96/x
  3. Step 3: Cross multiply
    27,929.21x = 38,544.24 × 15,353.96
  4. Step 4: Simplify right side
    27,929.21x = 591,806,719.19
  5. Step 5: Solve for x
    x = 591,806,719.19/27,929.21
  6. Step 6: Final answer
    x = 21,189.53

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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.