Home / 19,086.02-28,621.10-7,392.50

Finding the Fourth Proportional to 19,086.02, 28,621.10 and 7,392.50

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Solution

The fourth proportional to 19,086.02, 28,621.10 and 7,392.50 is: 11,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.02 : 28,621.10 = 7,392.50 : x
  2. Step 2: Convert to fraction form
    19,086.02/28,621.10 = 7,392.50/x
  3. Step 3: Cross multiply
    19,086.02x = 28,621.10 × 7,392.50
  4. Step 4: Simplify right side
    19,086.02x = 211,581,481.75
  5. Step 5: Solve for x
    x = 211,581,481.75/19,086.02
  6. Step 6: Final answer
    x = 11,085.68

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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.