Home / 27,056.88-37,339.38-15,120.90

Finding the Fourth Proportional to 27,056.88, 37,339.38 and 15,120.90

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Solution

The fourth proportional to 27,056.88, 37,339.38 and 15,120.90 is: 20,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.88 : 37,339.38 = 15,120.90 : x
  2. Step 2: Convert to fraction form
    27,056.88/37,339.38 = 15,120.90/x
  3. Step 3: Cross multiply
    27,056.88x = 37,339.38 × 15,120.90
  4. Step 4: Simplify right side
    27,056.88x = 564,605,031.04
  5. Step 5: Solve for x
    x = 564,605,031.04/27,056.88
  6. Step 6: Final answer
    x = 20,867.34

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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.