Home / 20,629.10-30,938.69-9,525.13

Finding the Fourth Proportional to 20,629.10, 30,938.69 and 9,525.13

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Solution

The fourth proportional to 20,629.10, 30,938.69 and 9,525.13 is: 14,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.10 : 30,938.69 = 9,525.13 : x
  2. Step 2: Convert to fraction form
    20,629.10/30,938.69 = 9,525.13/x
  3. Step 3: Cross multiply
    20,629.10x = 30,938.69 × 9,525.13
  4. Step 4: Simplify right side
    20,629.10x = 294,695,044.28
  5. Step 5: Solve for x
    x = 294,695,044.28/20,629.10
  6. Step 6: Final answer
    x = 14,285.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.