Home / 27,099.68-37,393.98-15,161.72

Finding the Fourth Proportional to 27,099.68, 37,393.98 and 15,161.72

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Solution

The fourth proportional to 27,099.68, 37,393.98 and 15,161.72 is: 20,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.68 : 37,393.98 = 15,161.72 : x
  2. Step 2: Convert to fraction form
    27,099.68/37,393.98 = 15,161.72/x
  3. Step 3: Cross multiply
    27,099.68x = 37,393.98 × 15,161.72
  4. Step 4: Simplify right side
    27,099.68x = 566,957,054.45
  5. Step 5: Solve for x
    x = 566,957,054.45/27,099.68
  6. Step 6: Final answer
    x = 20,921.17

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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.