Home / 27,917.24-38,487.30-22,271.15

Finding the Fourth Proportional to 27,917.24, 38,487.30 and 22,271.15

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Solution

The fourth proportional to 27,917.24, 38,487.30 and 22,271.15 is: 30,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.24 : 38,487.30 = 22,271.15 : x
  2. Step 2: Convert to fraction form
    27,917.24/38,487.30 = 22,271.15/x
  3. Step 3: Cross multiply
    27,917.24x = 38,487.30 × 22,271.15
  4. Step 4: Simplify right side
    27,917.24x = 857,156,431.40
  5. Step 5: Solve for x
    x = 857,156,431.40/27,917.24
  6. Step 6: Final answer
    x = 30,703.48

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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.