Home / 18,885.36-28,328.04-5,034

Finding the Fourth Proportional to 18,885.36, 28,328.04 and 5,034

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Solution

The fourth proportional to 18,885.36, 28,328.04 and 5,034 is: 7,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.36 : 28,328.04 = 5,034 : x
  2. Step 2: Convert to fraction form
    18,885.36/28,328.04 = 5,034/x
  3. Step 3: Cross multiply
    18,885.36x = 28,328.04 × 5,034
  4. Step 4: Simplify right side
    18,885.36x = 142,603,353.36
  5. Step 5: Solve for x
    x = 142,603,353.36/18,885.36
  6. Step 6: Final answer
    x = 7,551.00

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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.