Home / 28,865.79-39,834.40-16,119.19

Finding the Fourth Proportional to 28,865.79, 39,834.40 and 16,119.19

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Solution

The fourth proportional to 28,865.79, 39,834.40 and 16,119.19 is: 22,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.79 : 39,834.40 = 16,119.19 : x
  2. Step 2: Convert to fraction form
    28,865.79/39,834.40 = 16,119.19/x
  3. Step 3: Cross multiply
    28,865.79x = 39,834.40 × 16,119.19
  4. Step 4: Simplify right side
    28,865.79x = 642,098,262.14
  5. Step 5: Solve for x
    x = 642,098,262.14/28,865.79
  6. Step 6: Final answer
    x = 22,244.26

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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.