Home / 28,176.26-42,272.40-14,119.34

Finding the Fourth Proportional to 28,176.26, 42,272.40 and 14,119.34

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Solution

The fourth proportional to 28,176.26, 42,272.40 and 14,119.34 is: 21,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.26 : 42,272.40 = 14,119.34 : x
  2. Step 2: Convert to fraction form
    28,176.26/42,272.40 = 14,119.34/x
  3. Step 3: Cross multiply
    28,176.26x = 42,272.40 × 14,119.34
  4. Step 4: Simplify right side
    28,176.26x = 596,858,388.22
  5. Step 5: Solve for x
    x = 596,858,388.22/28,176.26
  6. Step 6: Final answer
    x = 21,183.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.