Home / 27,137.42-37,449.20-15,200.72

Finding the Fourth Proportional to 27,137.42, 37,449.20 and 15,200.72

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Solution

The fourth proportional to 27,137.42, 37,449.20 and 15,200.72 is: 20,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.42 : 37,449.20 = 15,200.72 : x
  2. Step 2: Convert to fraction form
    27,137.42/37,449.20 = 15,200.72/x
  3. Step 3: Cross multiply
    27,137.42x = 37,449.20 × 15,200.72
  4. Step 4: Simplify right side
    27,137.42x = 569,254,803.42
  5. Step 5: Solve for x
    x = 569,254,803.42/27,137.42
  6. Step 6: Final answer
    x = 20,976.75

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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.