Home / 18,827.36-28,242.24-4,976

Finding the Fourth Proportional to 18,827.36, 28,242.24 and 4,976

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Solution

The fourth proportional to 18,827.36, 28,242.24 and 4,976 is: 7,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.36 : 28,242.24 = 4,976 : x
  2. Step 2: Convert to fraction form
    18,827.36/28,242.24 = 4,976/x
  3. Step 3: Cross multiply
    18,827.36x = 28,242.24 × 4,976
  4. Step 4: Simplify right side
    18,827.36x = 140,533,386.24
  5. Step 5: Solve for x
    x = 140,533,386.24/18,827.36
  6. Step 6: Final answer
    x = 7,464.32

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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.