Home / 29,986.20-44,979.30-28,528.20

Finding the Fourth Proportional to 29,986.20, 44,979.30 and 28,528.20

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Solution

The fourth proportional to 29,986.20, 44,979.30 and 28,528.20 is: 42,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.20 : 44,979.30 = 28,528.20 : x
  2. Step 2: Convert to fraction form
    29,986.20/44,979.30 = 28,528.20/x
  3. Step 3: Cross multiply
    29,986.20x = 44,979.30 × 28,528.20
  4. Step 4: Simplify right side
    29,986.20x = 1,283,178,466.26
  5. Step 5: Solve for x
    x = 1,283,178,466.26/29,986.20
  6. Step 6: Final answer
    x = 42,792.30

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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.