Home / 27,707.00-38,236.01-15,770.61

Finding the Fourth Proportional to 27,707.00, 38,236.01 and 15,770.61

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Solution

The fourth proportional to 27,707.00, 38,236.01 and 15,770.61 is: 21,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.00 : 38,236.01 = 15,770.61 : x
  2. Step 2: Convert to fraction form
    27,707.00/38,236.01 = 15,770.61/x
  3. Step 3: Cross multiply
    27,707.00x = 38,236.01 × 15,770.61
  4. Step 4: Simplify right side
    27,707.00x = 603,005,122.81
  5. Step 5: Solve for x
    x = 603,005,122.81/27,707.00
  6. Step 6: Final answer
    x = 21,763.64

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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.