Home / 28,581.83-39,443.48-17,108.56

Finding the Fourth Proportional to 28,581.83, 39,443.48 and 17,108.56

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Solution

The fourth proportional to 28,581.83, 39,443.48 and 17,108.56 is: 23,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.83 : 39,443.48 = 17,108.56 : x
  2. Step 2: Convert to fraction form
    28,581.83/39,443.48 = 17,108.56/x
  3. Step 3: Cross multiply
    28,581.83x = 39,443.48 × 17,108.56
  4. Step 4: Simplify right side
    28,581.83x = 674,821,144.19
  5. Step 5: Solve for x
    x = 674,821,144.19/28,581.83
  6. Step 6: Final answer
    x = 23,610.14

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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.