Home / 28,063.35-38,731.68-17,456.40

Finding the Fourth Proportional to 28,063.35, 38,731.68 and 17,456.40

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Solution

The fourth proportional to 28,063.35, 38,731.68 and 17,456.40 is: 24,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.35 : 38,731.68 = 17,456.40 : x
  2. Step 2: Convert to fraction form
    28,063.35/38,731.68 = 17,456.40/x
  3. Step 3: Cross multiply
    28,063.35x = 38,731.68 × 17,456.40
  4. Step 4: Simplify right side
    28,063.35x = 676,115,698.75
  5. Step 5: Solve for x
    x = 676,115,698.75/28,063.35
  6. Step 6: Final answer
    x = 24,092.48

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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.