Home / 27,005.72-37,268.82-15,674.36

Finding the Fourth Proportional to 27,005.72, 37,268.82 and 15,674.36

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Solution

The fourth proportional to 27,005.72, 37,268.82 and 15,674.36 is: 21,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.72 : 37,268.82 = 15,674.36 : x
  2. Step 2: Convert to fraction form
    27,005.72/37,268.82 = 15,674.36/x
  3. Step 3: Cross multiply
    27,005.72x = 37,268.82 × 15,674.36
  4. Step 4: Simplify right side
    27,005.72x = 584,164,901.46
  5. Step 5: Solve for x
    x = 584,164,901.46/27,005.72
  6. Step 6: Final answer
    x = 21,631.15

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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.