Home / 28,207.75-42,300.68-15,052.94

Finding the Fourth Proportional to 28,207.75, 42,300.68 and 15,052.94

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Solution

The fourth proportional to 28,207.75, 42,300.68 and 15,052.94 is: 22,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.75 : 42,300.68 = 15,052.94 : x
  2. Step 2: Convert to fraction form
    28,207.75/42,300.68 = 15,052.94/x
  3. Step 3: Cross multiply
    28,207.75x = 42,300.68 × 15,052.94
  4. Step 4: Simplify right side
    28,207.75x = 636,749,598.00
  5. Step 5: Solve for x
    x = 636,749,598.00/28,207.75
  6. Step 6: Final answer
    x = 22,573.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.