Home / 27,733.06-38,271.06-15,157.90

Finding the Fourth Proportional to 27,733.06, 38,271.06 and 15,157.90

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Solution

The fourth proportional to 27,733.06, 38,271.06 and 15,157.90 is: 20,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.06 : 38,271.06 = 15,157.90 : x
  2. Step 2: Convert to fraction form
    27,733.06/38,271.06 = 15,157.90/x
  3. Step 3: Cross multiply
    27,733.06x = 38,271.06 × 15,157.90
  4. Step 4: Simplify right side
    27,733.06x = 580,108,900.37
  5. Step 5: Solve for x
    x = 580,108,900.37/27,733.06
  6. Step 6: Final answer
    x = 20,917.59

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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.