Home / 27,247.68-37,600.96-15,310.72

Finding the Fourth Proportional to 27,247.68, 37,600.96 and 15,310.72

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Solution

The fourth proportional to 27,247.68, 37,600.96 and 15,310.72 is: 21,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.68 : 37,600.96 = 15,310.72 : x
  2. Step 2: Convert to fraction form
    27,247.68/37,600.96 = 15,310.72/x
  3. Step 3: Cross multiply
    27,247.68x = 37,600.96 × 15,310.72
  4. Step 4: Simplify right side
    27,247.68x = 575,697,770.29
  5. Step 5: Solve for x
    x = 575,697,770.29/27,247.68
  6. Step 6: Final answer
    x = 21,128.32

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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.