Home / 28,557.57-39,409.99-17,084.29

Finding the Fourth Proportional to 28,557.57, 39,409.99 and 17,084.29

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Solution

The fourth proportional to 28,557.57, 39,409.99 and 17,084.29 is: 23,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.57 : 39,409.99 = 17,084.29 : x
  2. Step 2: Convert to fraction form
    28,557.57/39,409.99 = 17,084.29/x
  3. Step 3: Cross multiply
    28,557.57x = 39,409.99 × 17,084.29
  4. Step 4: Simplify right side
    28,557.57x = 673,291,877.28
  5. Step 5: Solve for x
    x = 673,291,877.28/28,557.57
  6. Step 6: Final answer
    x = 23,576.65

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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.