Home / 27,641.76-38,147.10-16,317.81

Finding the Fourth Proportional to 27,641.76, 38,147.10 and 16,317.81

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Solution

The fourth proportional to 27,641.76, 38,147.10 and 16,317.81 is: 22,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.76 : 38,147.10 = 16,317.81 : x
  2. Step 2: Convert to fraction form
    27,641.76/38,147.10 = 16,317.81/x
  3. Step 3: Cross multiply
    27,641.76x = 38,147.10 × 16,317.81
  4. Step 4: Simplify right side
    27,641.76x = 622,477,129.85
  5. Step 5: Solve for x
    x = 622,477,129.85/27,641.76
  6. Step 6: Final answer
    x = 22,519.45

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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.