Home / 28,575.14-42,865.53-9,852.71

Finding the Fourth Proportional to 28,575.14, 42,865.53 and 9,852.71

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Solution

The fourth proportional to 28,575.14, 42,865.53 and 9,852.71 is: 14,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.14 : 42,865.53 = 9,852.71 : x
  2. Step 2: Convert to fraction form
    28,575.14/42,865.53 = 9,852.71/x
  3. Step 3: Cross multiply
    28,575.14x = 42,865.53 × 9,852.71
  4. Step 4: Simplify right side
    28,575.14x = 422,341,586.82
  5. Step 5: Solve for x
    x = 422,341,586.82/28,575.14
  6. Step 6: Final answer
    x = 14,780.04

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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.