Home / 27,138.15-37,453.77-15,199.16

Finding the Fourth Proportional to 27,138.15, 37,453.77 and 15,199.16

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Solution

The fourth proportional to 27,138.15, 37,453.77 and 15,199.16 is: 20,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.15 : 37,453.77 = 15,199.16 : x
  2. Step 2: Convert to fraction form
    27,138.15/37,453.77 = 15,199.16/x
  3. Step 3: Cross multiply
    27,138.15x = 37,453.77 × 15,199.16
  4. Step 4: Simplify right side
    27,138.15x = 569,265,655.56
  5. Step 5: Solve for x
    x = 569,265,655.56/27,138.15
  6. Step 6: Final answer
    x = 20,976.58

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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.