Home / 28,816.48-39,766.62-16,241.08

Finding the Fourth Proportional to 28,816.48, 39,766.62 and 16,241.08

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Solution

The fourth proportional to 28,816.48, 39,766.62 and 16,241.08 is: 22,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.48 : 39,766.62 = 16,241.08 : x
  2. Step 2: Convert to fraction form
    28,816.48/39,766.62 = 16,241.08/x
  3. Step 3: Cross multiply
    28,816.48x = 39,766.62 × 16,241.08
  4. Step 4: Simplify right side
    28,816.48x = 645,852,856.75
  5. Step 5: Solve for x
    x = 645,852,856.75/28,816.48
  6. Step 6: Final answer
    x = 22,412.62

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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.