Home / 19,242.33-28,851.04-12,648.52

Finding the Fourth Proportional to 19,242.33, 28,851.04 and 12,648.52

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Solution

The fourth proportional to 19,242.33, 28,851.04 and 12,648.52 is: 18,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.33 : 28,851.04 = 12,648.52 : x
  2. Step 2: Convert to fraction form
    19,242.33/28,851.04 = 12,648.52/x
  3. Step 3: Cross multiply
    19,242.33x = 28,851.04 × 12,648.52
  4. Step 4: Simplify right side
    19,242.33x = 364,922,956.46
  5. Step 5: Solve for x
    x = 364,922,956.46/19,242.33
  6. Step 6: Final answer
    x = 18,964.59

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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.