Home / 27,538.79-38,003.58-16,208.30

Finding the Fourth Proportional to 27,538.79, 38,003.58 and 16,208.30

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Solution

The fourth proportional to 27,538.79, 38,003.58 and 16,208.30 is: 22,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.79 : 38,003.58 = 16,208.30 : x
  2. Step 2: Convert to fraction form
    27,538.79/38,003.58 = 16,208.30/x
  3. Step 3: Cross multiply
    27,538.79x = 38,003.58 × 16,208.30
  4. Step 4: Simplify right side
    27,538.79x = 615,973,520.72
  5. Step 5: Solve for x
    x = 615,973,520.72/27,538.79
  6. Step 6: Final answer
    x = 22,367.49

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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.