Home / 28,869.96-39,833.76-17,539.12

Finding the Fourth Proportional to 28,869.96, 39,833.76 and 17,539.12

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Solution

The fourth proportional to 28,869.96, 39,833.76 and 17,539.12 is: 24,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.96 : 39,833.76 = 17,539.12 : x
  2. Step 2: Convert to fraction form
    28,869.96/39,833.76 = 17,539.12/x
  3. Step 3: Cross multiply
    28,869.96x = 39,833.76 × 17,539.12
  4. Step 4: Simplify right side
    28,869.96x = 698,649,096.69
  5. Step 5: Solve for x
    x = 698,649,096.69/28,869.96
  6. Step 6: Final answer
    x = 24,199.86

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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.