Home / 28,302.48-39,063.60-17,699.04

Finding the Fourth Proportional to 28,302.48, 39,063.60 and 17,699.04

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Solution

The fourth proportional to 28,302.48, 39,063.60 and 17,699.04 is: 24,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.48 : 39,063.60 = 17,699.04 : x
  2. Step 2: Convert to fraction form
    28,302.48/39,063.60 = 17,699.04/x
  3. Step 3: Cross multiply
    28,302.48x = 39,063.60 × 17,699.04
  4. Step 4: Simplify right side
    28,302.48x = 691,388,218.94
  5. Step 5: Solve for x
    x = 691,388,218.94/28,302.48
  6. Step 6: Final answer
    x = 24,428.54

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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.