Home / 21,816.39-32,730.97-7,024.98

Finding the Fourth Proportional to 21,816.39, 32,730.97 and 7,024.98

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Solution

The fourth proportional to 21,816.39, 32,730.97 and 7,024.98 is: 10,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.39 : 32,730.97 = 7,024.98 : x
  2. Step 2: Convert to fraction form
    21,816.39/32,730.97 = 7,024.98/x
  3. Step 3: Cross multiply
    21,816.39x = 32,730.97 × 7,024.98
  4. Step 4: Simplify right side
    21,816.39x = 229,934,409.63
  5. Step 5: Solve for x
    x = 229,934,409.63/21,816.39
  6. Step 6: Final answer
    x = 10,539.53

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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.