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Finding the Fourth Proportional to 21,641.54, 32,458.22 and 7,598.27

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Solution

The fourth proportional to 21,641.54, 32,458.22 and 7,598.27 is: 11,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.54 : 32,458.22 = 7,598.27 : x
  2. Step 2: Convert to fraction form
    21,641.54/32,458.22 = 7,598.27/x
  3. Step 3: Cross multiply
    21,641.54x = 32,458.22 × 7,598.27
  4. Step 4: Simplify right side
    21,641.54x = 246,626,362.43
  5. Step 5: Solve for x
    x = 246,626,362.43/21,641.54
  6. Step 6: Final answer
    x = 11,395.97

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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.