Home / 27,485.08-37,929.30-15,548.44

Finding the Fourth Proportional to 27,485.08, 37,929.30 and 15,548.44

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Solution

The fourth proportional to 27,485.08, 37,929.30 and 15,548.44 is: 21,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.08 : 37,929.30 = 15,548.44 : x
  2. Step 2: Convert to fraction form
    27,485.08/37,929.30 = 15,548.44/x
  3. Step 3: Cross multiply
    27,485.08x = 37,929.30 × 15,548.44
  4. Step 4: Simplify right side
    27,485.08x = 589,741,445.29
  5. Step 5: Solve for x
    x = 589,741,445.29/27,485.08
  6. Step 6: Final answer
    x = 21,456.78

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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.