Home / 27,541.62-38,006.20-15,604.72

Finding the Fourth Proportional to 27,541.62, 38,006.20 and 15,604.72

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Solution

The fourth proportional to 27,541.62, 38,006.20 and 15,604.72 is: 21,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,541.62 : 38,006.20 = 15,604.72 : x
  2. Step 2: Convert to fraction form
    27,541.62/38,006.20 = 15,604.72/x
  3. Step 3: Cross multiply
    27,541.62x = 38,006.20 × 15,604.72
  4. Step 4: Simplify right side
    27,541.62x = 593,076,109.26
  5. Step 5: Solve for x
    x = 593,076,109.26/27,541.62
  6. Step 6: Final answer
    x = 21,533.81

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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.