Home / 21,643.20-32,464.26-6,650.27

Finding the Fourth Proportional to 21,643.20, 32,464.26 and 6,650.27

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Solution

The fourth proportional to 21,643.20, 32,464.26 and 6,650.27 is: 9,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.20 : 32,464.26 = 6,650.27 : x
  2. Step 2: Convert to fraction form
    21,643.20/32,464.26 = 6,650.27/x
  3. Step 3: Cross multiply
    21,643.20x = 32,464.26 × 6,650.27
  4. Step 4: Simplify right side
    21,643.20x = 215,896,053.77
  5. Step 5: Solve for x
    x = 215,896,053.77/21,643.20
  6. Step 6: Final answer
    x = 9,975.24

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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.