Home / 27,652.69-38,161.11-15,077.44

Finding the Fourth Proportional to 27,652.69, 38,161.11 and 15,077.44

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Solution

The fourth proportional to 27,652.69, 38,161.11 and 15,077.44 is: 20,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.69 : 38,161.11 = 15,077.44 : x
  2. Step 2: Convert to fraction form
    27,652.69/38,161.11 = 15,077.44/x
  3. Step 3: Cross multiply
    27,652.69x = 38,161.11 × 15,077.44
  4. Step 4: Simplify right side
    27,652.69x = 575,371,846.36
  5. Step 5: Solve for x
    x = 575,371,846.36/27,652.69
  6. Step 6: Final answer
    x = 20,807.08

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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.