Home / 27,109.20-37,418.40-16,502.40

Finding the Fourth Proportional to 27,109.20, 37,418.40 and 16,502.40

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Solution

The fourth proportional to 27,109.20, 37,418.40 and 16,502.40 is: 22,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.20 : 37,418.40 = 16,502.40 : x
  2. Step 2: Convert to fraction form
    27,109.20/37,418.40 = 16,502.40/x
  3. Step 3: Cross multiply
    27,109.20x = 37,418.40 × 16,502.40
  4. Step 4: Simplify right side
    27,109.20x = 617,493,404.16
  5. Step 5: Solve for x
    x = 617,493,404.16/27,109.20
  6. Step 6: Final answer
    x = 22,778.00

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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.