Home / 27,544.31-38,008.05-15,605.09

Finding the Fourth Proportional to 27,544.31, 38,008.05 and 15,605.09

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Solution

The fourth proportional to 27,544.31, 38,008.05 and 15,605.09 is: 21,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,544.31 : 38,008.05 = 15,605.09 : x
  2. Step 2: Convert to fraction form
    27,544.31/38,008.05 = 15,605.09/x
  3. Step 3: Cross multiply
    27,544.31x = 38,008.05 × 15,605.09
  4. Step 4: Simplify right side
    27,544.31x = 593,118,850.93
  5. Step 5: Solve for x
    x = 593,118,850.93/27,544.31
  6. Step 6: Final answer
    x = 21,533.27

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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.