Home / 27,984.08-38,616.52-16,047.92

Finding the Fourth Proportional to 27,984.08, 38,616.52 and 16,047.92

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Solution

The fourth proportional to 27,984.08, 38,616.52 and 16,047.92 is: 22,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.08 : 38,616.52 = 16,047.92 : x
  2. Step 2: Convert to fraction form
    27,984.08/38,616.52 = 16,047.92/x
  3. Step 3: Cross multiply
    27,984.08x = 38,616.52 × 16,047.92
  4. Step 4: Simplify right side
    27,984.08x = 619,714,823.64
  5. Step 5: Solve for x
    x = 619,714,823.64/27,984.08
  6. Step 6: Final answer
    x = 22,145.26

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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.