Home / 28,084.84-42,127.18-11,441.22

Finding the Fourth Proportional to 28,084.84, 42,127.18 and 11,441.22

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Solution

The fourth proportional to 28,084.84, 42,127.18 and 11,441.22 is: 17,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.84 : 42,127.18 = 11,441.22 : x
  2. Step 2: Convert to fraction form
    28,084.84/42,127.18 = 11,441.22/x
  3. Step 3: Cross multiply
    28,084.84x = 42,127.18 × 11,441.22
  4. Step 4: Simplify right side
    28,084.84x = 481,986,334.36
  5. Step 5: Solve for x
    x = 481,986,334.36/28,084.84
  6. Step 6: Final answer
    x = 17,161.80

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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.