Home / 28,614.56-39,486.48-16,679.84

Finding the Fourth Proportional to 28,614.56, 39,486.48 and 16,679.84

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Solution

The fourth proportional to 28,614.56, 39,486.48 and 16,679.84 is: 23,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.56 : 39,486.48 = 16,679.84 : x
  2. Step 2: Convert to fraction form
    28,614.56/39,486.48 = 16,679.84/x
  3. Step 3: Cross multiply
    28,614.56x = 39,486.48 × 16,679.84
  4. Step 4: Simplify right side
    28,614.56x = 658,628,168.56
  5. Step 5: Solve for x
    x = 658,628,168.56/28,614.56
  6. Step 6: Final answer
    x = 23,017.24

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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.