Home / 27,976.24-38,606.08-16,031.28

Finding the Fourth Proportional to 27,976.24, 38,606.08 and 16,031.28

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Solution

The fourth proportional to 27,976.24, 38,606.08 and 16,031.28 is: 22,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.24 : 38,606.08 = 16,031.28 : x
  2. Step 2: Convert to fraction form
    27,976.24/38,606.08 = 16,031.28/x
  3. Step 3: Cross multiply
    27,976.24x = 38,606.08 × 16,031.28
  4. Step 4: Simplify right side
    27,976.24x = 618,904,878.18
  5. Step 5: Solve for x
    x = 618,904,878.18/27,976.24
  6. Step 6: Final answer
    x = 22,122.52

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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.