Home / 28,858.48-39,825.56-17,674.16

Finding the Fourth Proportional to 28,858.48, 39,825.56 and 17,674.16

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Solution

The fourth proportional to 28,858.48, 39,825.56 and 17,674.16 is: 24,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.48 : 39,825.56 = 17,674.16 : x
  2. Step 2: Convert to fraction form
    28,858.48/39,825.56 = 17,674.16/x
  3. Step 3: Cross multiply
    28,858.48x = 39,825.56 × 17,674.16
  4. Step 4: Simplify right side
    28,858.48x = 703,883,319.53
  5. Step 5: Solve for x
    x = 703,883,319.53/28,858.48
  6. Step 6: Final answer
    x = 24,390.87

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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.