Home / 27,542.64-38,009.66-15,605.98

Finding the Fourth Proportional to 27,542.64, 38,009.66 and 15,605.98

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Solution

The fourth proportional to 27,542.64, 38,009.66 and 15,605.98 is: 21,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.64 : 38,009.66 = 15,605.98 : x
  2. Step 2: Convert to fraction form
    27,542.64/38,009.66 = 15,605.98/x
  3. Step 3: Cross multiply
    27,542.64x = 38,009.66 × 15,605.98
  4. Step 4: Simplify right side
    27,542.64x = 593,177,993.77
  5. Step 5: Solve for x
    x = 593,177,993.77/27,542.64
  6. Step 6: Final answer
    x = 21,536.72

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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.