Home / 28,138.35-42,213.48-10,608.33

Finding the Fourth Proportional to 28,138.35, 42,213.48 and 10,608.33

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Solution

The fourth proportional to 28,138.35, 42,213.48 and 10,608.33 is: 15,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,138.35 : 42,213.48 = 10,608.33 : x
  2. Step 2: Convert to fraction form
    28,138.35/42,213.48 = 10,608.33/x
  3. Step 3: Cross multiply
    28,138.35x = 42,213.48 × 10,608.33
  4. Step 4: Simplify right side
    28,138.35x = 447,814,526.29
  5. Step 5: Solve for x
    x = 447,814,526.29/28,138.35
  6. Step 6: Final answer
    x = 15,914.74

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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.