Home / 28,072.98-38,741.22-15,497.73

Finding the Fourth Proportional to 28,072.98, 38,741.22 and 15,497.73

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Solution

The fourth proportional to 28,072.98, 38,741.22 and 15,497.73 is: 21,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.98 : 38,741.22 = 15,497.73 : x
  2. Step 2: Convert to fraction form
    28,072.98/38,741.22 = 15,497.73/x
  3. Step 3: Cross multiply
    28,072.98x = 38,741.22 × 15,497.73
  4. Step 4: Simplify right side
    28,072.98x = 600,400,967.43
  5. Step 5: Solve for x
    x = 600,400,967.43/28,072.98
  6. Step 6: Final answer
    x = 21,387.15

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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.