Home / 19,173.60-28,722.08-15,231.53

Finding the Fourth Proportional to 19,173.60, 28,722.08 and 15,231.53

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Solution

The fourth proportional to 19,173.60, 28,722.08 and 15,231.53 is: 22,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.60 : 28,722.08 = 15,231.53 : x
  2. Step 2: Convert to fraction form
    19,173.60/28,722.08 = 15,231.53/x
  3. Step 3: Cross multiply
    19,173.60x = 28,722.08 × 15,231.53
  4. Step 4: Simplify right side
    19,173.60x = 437,481,333.07
  5. Step 5: Solve for x
    x = 437,481,333.07/19,173.60
  6. Step 6: Final answer
    x = 22,816.86

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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.