Home / 28,110.19-38,788.86-17,353.12

Finding the Fourth Proportional to 28,110.19, 38,788.86 and 17,353.12

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Solution

The fourth proportional to 28,110.19, 38,788.86 and 17,353.12 is: 23,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.19 : 38,788.86 = 17,353.12 : x
  2. Step 2: Convert to fraction form
    28,110.19/38,788.86 = 17,353.12/x
  3. Step 3: Cross multiply
    28,110.19x = 38,788.86 × 17,353.12
  4. Step 4: Simplify right side
    28,110.19x = 673,107,742.24
  5. Step 5: Solve for x
    x = 673,107,742.24/28,110.19
  6. Step 6: Final answer
    x = 23,945.33

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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.