Home / 28,052.56-42,048.66-13,984.84

Finding the Fourth Proportional to 28,052.56, 42,048.66 and 13,984.84

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Solution

The fourth proportional to 28,052.56, 42,048.66 and 13,984.84 is: 20,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.56 : 42,048.66 = 13,984.84 : x
  2. Step 2: Convert to fraction form
    28,052.56/42,048.66 = 13,984.84/x
  3. Step 3: Cross multiply
    28,052.56x = 42,048.66 × 13,984.84
  4. Step 4: Simplify right side
    28,052.56x = 588,043,782.31
  5. Step 5: Solve for x
    x = 588,043,782.31/28,052.56
  6. Step 6: Final answer
    x = 20,962.21

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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.