Home / 27,733.61-38,272.67-15,158.36

Finding the Fourth Proportional to 27,733.61, 38,272.67 and 15,158.36

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Solution

The fourth proportional to 27,733.61, 38,272.67 and 15,158.36 is: 20,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.61 : 38,272.67 = 15,158.36 : x
  2. Step 2: Convert to fraction form
    27,733.61/38,272.67 = 15,158.36/x
  3. Step 3: Cross multiply
    27,733.61x = 38,272.67 × 15,158.36
  4. Step 4: Simplify right side
    27,733.61x = 580,150,642.87
  5. Step 5: Solve for x
    x = 580,150,642.87/27,733.61
  6. Step 6: Final answer
    x = 20,918.69

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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.