Home / 27,734.67-38,272.70-15,797.90

Finding the Fourth Proportional to 27,734.67, 38,272.70 and 15,797.90

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Solution

The fourth proportional to 27,734.67, 38,272.70 and 15,797.90 is: 21,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.67 : 38,272.70 = 15,797.90 : x
  2. Step 2: Convert to fraction form
    27,734.67/38,272.70 = 15,797.90/x
  3. Step 3: Cross multiply
    27,734.67x = 38,272.70 × 15,797.90
  4. Step 4: Simplify right side
    27,734.67x = 604,628,422.51
  5. Step 5: Solve for x
    x = 604,628,422.51/27,734.67
  6. Step 6: Final answer
    x = 21,800.45

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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.