Home / 27,322.20-37,702.26-15,384.42

Finding the Fourth Proportional to 27,322.20, 37,702.26 and 15,384.42

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Solution

The fourth proportional to 27,322.20, 37,702.26 and 15,384.42 is: 21,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.20 : 37,702.26 = 15,384.42 : x
  2. Step 2: Convert to fraction form
    27,322.20/37,702.26 = 15,384.42/x
  3. Step 3: Cross multiply
    27,322.20x = 37,702.26 × 15,384.42
  4. Step 4: Simplify right side
    27,322.20x = 580,027,402.79
  5. Step 5: Solve for x
    x = 580,027,402.79/27,322.20
  6. Step 6: Final answer
    x = 21,229.16

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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.