Home / 28,409.18-39,208.03-17,084.47

Finding the Fourth Proportional to 28,409.18, 39,208.03 and 17,084.47

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Solution

The fourth proportional to 28,409.18, 39,208.03 and 17,084.47 is: 23,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.18 : 39,208.03 = 17,084.47 : x
  2. Step 2: Convert to fraction form
    28,409.18/39,208.03 = 17,084.47/x
  3. Step 3: Cross multiply
    28,409.18x = 39,208.03 × 17,084.47
  4. Step 4: Simplify right side
    28,409.18x = 669,848,412.29
  5. Step 5: Solve for x
    x = 669,848,412.29/28,409.18
  6. Step 6: Final answer
    x = 23,578.59

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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.