Home / 21,485.08-32,232.42-8,998.90

Finding the Fourth Proportional to 21,485.08, 32,232.42 and 8,998.90

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Solution

The fourth proportional to 21,485.08, 32,232.42 and 8,998.90 is: 13,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.08 : 32,232.42 = 8,998.90 : x
  2. Step 2: Convert to fraction form
    21,485.08/32,232.42 = 8,998.90/x
  3. Step 3: Cross multiply
    21,485.08x = 32,232.42 × 8,998.90
  4. Step 4: Simplify right side
    21,485.08x = 290,056,324.34
  5. Step 5: Solve for x
    x = 290,056,324.34/21,485.08
  6. Step 6: Final answer
    x = 13,500.36

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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.