Home / 27,580.08-38,060.64-15,004.92

Finding the Fourth Proportional to 27,580.08, 38,060.64 and 15,004.92

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Solution

The fourth proportional to 27,580.08, 38,060.64 and 15,004.92 is: 20,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.08 : 38,060.64 = 15,004.92 : x
  2. Step 2: Convert to fraction form
    27,580.08/38,060.64 = 15,004.92/x
  3. Step 3: Cross multiply
    27,580.08x = 38,060.64 × 15,004.92
  4. Step 4: Simplify right side
    27,580.08x = 571,096,858.35
  5. Step 5: Solve for x
    x = 571,096,858.35/27,580.08
  6. Step 6: Final answer
    x = 20,706.86

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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.