Home / 27,861.64-38,443.58-16,529.02

Finding the Fourth Proportional to 27,861.64, 38,443.58 and 16,529.02

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Solution

The fourth proportional to 27,861.64, 38,443.58 and 16,529.02 is: 22,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.64 : 38,443.58 = 16,529.02 : x
  2. Step 2: Convert to fraction form
    27,861.64/38,443.58 = 16,529.02/x
  3. Step 3: Cross multiply
    27,861.64x = 38,443.58 × 16,529.02
  4. Step 4: Simplify right side
    27,861.64x = 635,434,702.69
  5. Step 5: Solve for x
    x = 635,434,702.69/27,861.64
  6. Step 6: Final answer
    x = 22,806.79

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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.