Home / 27,742.13-38,285.55-16,418.13

Finding the Fourth Proportional to 27,742.13, 38,285.55 and 16,418.13

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Solution

The fourth proportional to 27,742.13, 38,285.55 and 16,418.13 is: 22,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.13 : 38,285.55 = 16,418.13 : x
  2. Step 2: Convert to fraction form
    27,742.13/38,285.55 = 16,418.13/x
  3. Step 3: Cross multiply
    27,742.13x = 38,285.55 × 16,418.13
  4. Step 4: Simplify right side
    27,742.13x = 628,577,137.02
  5. Step 5: Solve for x
    x = 628,577,137.02/27,742.13
  6. Step 6: Final answer
    x = 22,657.85

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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.