Home / 28,010.44-38,654.58-15,434.92

Finding the Fourth Proportional to 28,010.44, 38,654.58 and 15,434.92

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Solution

The fourth proportional to 28,010.44, 38,654.58 and 15,434.92 is: 21,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.44 : 38,654.58 = 15,434.92 : x
  2. Step 2: Convert to fraction form
    28,010.44/38,654.58 = 15,434.92/x
  3. Step 3: Cross multiply
    28,010.44x = 38,654.58 × 15,434.92
  4. Step 4: Simplify right side
    28,010.44x = 596,630,349.93
  5. Step 5: Solve for x
    x = 596,630,349.93/28,010.44
  6. Step 6: Final answer
    x = 21,300.28

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Similar ratio
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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.