Home / 19,179.21-28,730.53-15,237.15

Finding the Fourth Proportional to 19,179.21, 28,730.53 and 15,237.15

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Solution

The fourth proportional to 19,179.21, 28,730.53 and 15,237.15 is: 22,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.21 : 28,730.53 = 15,237.15 : x
  2. Step 2: Convert to fraction form
    19,179.21/28,730.53 = 15,237.15/x
  3. Step 3: Cross multiply
    19,179.21x = 28,730.53 × 15,237.15
  4. Step 4: Simplify right side
    19,179.21x = 437,771,306.50
  5. Step 5: Solve for x
    x = 437,771,306.50/19,179.21
  6. Step 6: Final answer
    x = 22,825.30

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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.