Home / 27,560.40-38,033.72-15,623.44

Finding the Fourth Proportional to 27,560.40, 38,033.72 and 15,623.44

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Solution

The fourth proportional to 27,560.40, 38,033.72 and 15,623.44 is: 21,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.40 : 38,033.72 = 15,623.44 : x
  2. Step 2: Convert to fraction form
    27,560.40/38,033.72 = 15,623.44/x
  3. Step 3: Cross multiply
    27,560.40x = 38,033.72 × 15,623.44
  4. Step 4: Simplify right side
    27,560.40x = 594,217,542.40
  5. Step 5: Solve for x
    x = 594,217,542.40/27,560.40
  6. Step 6: Final answer
    x = 21,560.56

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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.