Home / 28,215.26-38,935.55-16,277.88

Finding the Fourth Proportional to 28,215.26, 38,935.55 and 16,277.88

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Solution

The fourth proportional to 28,215.26, 38,935.55 and 16,277.88 is: 22,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.26 : 38,935.55 = 16,277.88 : x
  2. Step 2: Convert to fraction form
    28,215.26/38,935.55 = 16,277.88/x
  3. Step 3: Cross multiply
    28,215.26x = 38,935.55 × 16,277.88
  4. Step 4: Simplify right side
    28,215.26x = 633,788,129.24
  5. Step 5: Solve for x
    x = 633,788,129.24/28,215.26
  6. Step 6: Final answer
    x = 22,462.61

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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.