Home / 28,663.75-39,559.61-17,333.32

Finding the Fourth Proportional to 28,663.75, 39,559.61 and 17,333.32

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Solution

The fourth proportional to 28,663.75, 39,559.61 and 17,333.32 is: 23,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.75 : 39,559.61 = 17,333.32 : x
  2. Step 2: Convert to fraction form
    28,663.75/39,559.61 = 17,333.32/x
  3. Step 3: Cross multiply
    28,663.75x = 39,559.61 × 17,333.32
  4. Step 4: Simplify right side
    28,663.75x = 685,699,471.99
  5. Step 5: Solve for x
    x = 685,699,471.99/28,663.75
  6. Step 6: Final answer
    x = 23,922.19

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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.