Home / 27,769.22-38,312.36-16,442.49

Finding the Fourth Proportional to 27,769.22, 38,312.36 and 16,442.49

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Solution

The fourth proportional to 27,769.22, 38,312.36 and 16,442.49 is: 22,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.22 : 38,312.36 = 16,442.49 : x
  2. Step 2: Convert to fraction form
    27,769.22/38,312.36 = 16,442.49/x
  3. Step 3: Cross multiply
    27,769.22x = 38,312.36 × 16,442.49
  4. Step 4: Simplify right side
    27,769.22x = 629,950,513.96
  5. Step 5: Solve for x
    x = 629,950,513.96/27,769.22
  6. Step 6: Final answer
    x = 22,685.21

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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.