Home / 28,699.26-39,608.64-16,124.01

Finding the Fourth Proportional to 28,699.26, 39,608.64 and 16,124.01

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Solution

The fourth proportional to 28,699.26, 39,608.64 and 16,124.01 is: 22,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.26 : 39,608.64 = 16,124.01 : x
  2. Step 2: Convert to fraction form
    28,699.26/39,608.64 = 16,124.01/x
  3. Step 3: Cross multiply
    28,699.26x = 39,608.64 × 16,124.01
  4. Step 4: Simplify right side
    28,699.26x = 638,650,107.45
  5. Step 5: Solve for x
    x = 638,650,107.45/28,699.26
  6. Step 6: Final answer
    x = 22,253.19

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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.