Home / 28,819.10-39,609.35-25,441.40

Finding the Fourth Proportional to 28,819.10, 39,609.35 and 25,441.40

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Solution

The fourth proportional to 28,819.10, 39,609.35 and 25,441.40 is: 34,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.10 : 39,609.35 = 25,441.40 : x
  2. Step 2: Convert to fraction form
    28,819.10/39,609.35 = 25,441.40/x
  3. Step 3: Cross multiply
    28,819.10x = 39,609.35 × 25,441.40
  4. Step 4: Simplify right side
    28,819.10x = 1,007,716,991.84
  5. Step 5: Solve for x
    x = 1,007,716,991.84/28,819.10
  6. Step 6: Final answer
    x = 34,966.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.