Home / 27,615.45-38,110.86-16,291.59

Finding the Fourth Proportional to 27,615.45, 38,110.86 and 16,291.59

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Solution

The fourth proportional to 27,615.45, 38,110.86 and 16,291.59 is: 22,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.45 : 38,110.86 = 16,291.59 : x
  2. Step 2: Convert to fraction form
    27,615.45/38,110.86 = 16,291.59/x
  3. Step 3: Cross multiply
    27,615.45x = 38,110.86 × 16,291.59
  4. Step 4: Simplify right side
    27,615.45x = 620,886,505.67
  5. Step 5: Solve for x
    x = 620,886,505.67/27,615.45
  6. Step 6: Final answer
    x = 22,483.30

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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.