Home / 27,733.11-38,271.69-15,157.86

Finding the Fourth Proportional to 27,733.11, 38,271.69 and 15,157.86

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Solution

The fourth proportional to 27,733.11, 38,271.69 and 15,157.86 is: 20,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.11 : 38,271.69 = 15,157.86 : x
  2. Step 2: Convert to fraction form
    27,733.11/38,271.69 = 15,157.86/x
  3. Step 3: Cross multiply
    27,733.11x = 38,271.69 × 15,157.86
  4. Step 4: Simplify right side
    27,733.11x = 580,116,918.98
  5. Step 5: Solve for x
    x = 580,116,918.98/27,733.11
  6. Step 6: Final answer
    x = 20,917.85

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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.