Home / 28,161.76-42,250.62-14,104.81

Finding the Fourth Proportional to 28,161.76, 42,250.62 and 14,104.81

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Solution

The fourth proportional to 28,161.76, 42,250.62 and 14,104.81 is: 21,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.76 : 42,250.62 = 14,104.81 : x
  2. Step 2: Convert to fraction form
    28,161.76/42,250.62 = 14,104.81/x
  3. Step 3: Cross multiply
    28,161.76x = 42,250.62 × 14,104.81
  4. Step 4: Simplify right side
    28,161.76x = 595,936,967.48
  5. Step 5: Solve for x
    x = 595,936,967.48/28,161.76
  6. Step 6: Final answer
    x = 21,161.21

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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.