Home / 27,877.43-38,453.35-16,538.90

Finding the Fourth Proportional to 27,877.43, 38,453.35 and 16,538.90

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Solution

The fourth proportional to 27,877.43, 38,453.35 and 16,538.90 is: 22,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.43 : 38,453.35 = 16,538.90 : x
  2. Step 2: Convert to fraction form
    27,877.43/38,453.35 = 16,538.90/x
  3. Step 3: Cross multiply
    27,877.43x = 38,453.35 × 16,538.90
  4. Step 4: Simplify right side
    27,877.43x = 635,976,055.53
  5. Step 5: Solve for x
    x = 635,976,055.53/27,877.43
  6. Step 6: Final answer
    x = 22,813.30

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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.