Home / 19,231.50-28,840.32-6,748.32

Finding the Fourth Proportional to 19,231.50, 28,840.32 and 6,748.32

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Solution

The fourth proportional to 19,231.50, 28,840.32 and 6,748.32 is: 10,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.50 : 28,840.32 = 6,748.32 : x
  2. Step 2: Convert to fraction form
    19,231.50/28,840.32 = 6,748.32/x
  3. Step 3: Cross multiply
    19,231.50x = 28,840.32 × 6,748.32
  4. Step 4: Simplify right side
    19,231.50x = 194,623,708.26
  5. Step 5: Solve for x
    x = 194,623,708.26/19,231.50
  6. Step 6: Final answer
    x = 10,120.05

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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.