Home / 19,233.72-28,850.58-10,485.72

Finding the Fourth Proportional to 19,233.72, 28,850.58 and 10,485.72

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Solution

The fourth proportional to 19,233.72, 28,850.58 and 10,485.72 is: 15,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.72 : 28,850.58 = 10,485.72 : x
  2. Step 2: Convert to fraction form
    19,233.72/28,850.58 = 10,485.72/x
  3. Step 3: Cross multiply
    19,233.72x = 28,850.58 × 10,485.72
  4. Step 4: Simplify right side
    19,233.72x = 302,519,103.72
  5. Step 5: Solve for x
    x = 302,519,103.72/19,233.72
  6. Step 6: Final answer
    x = 15,728.58

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1.5x scale

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.