Home / 27,540.87-38,006.44-15,605.01

Finding the Fourth Proportional to 27,540.87, 38,006.44 and 15,605.01

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Solution

The fourth proportional to 27,540.87, 38,006.44 and 15,605.01 is: 21,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.87 : 38,006.44 = 15,605.01 : x
  2. Step 2: Convert to fraction form
    27,540.87/38,006.44 = 15,605.01/x
  3. Step 3: Cross multiply
    27,540.87x = 38,006.44 × 15,605.01
  4. Step 4: Simplify right side
    27,540.87x = 593,090,837.25
  5. Step 5: Solve for x
    x = 593,090,837.25/27,540.87
  6. Step 6: Final answer
    x = 21,534.93

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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.