Home / 21,444.06-32,157.90-6,649.02

Finding the Fourth Proportional to 21,444.06, 32,157.90 and 6,649.02

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Solution

The fourth proportional to 21,444.06, 32,157.90 and 6,649.02 is: 9,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.06 : 32,157.90 = 6,649.02 : x
  2. Step 2: Convert to fraction form
    21,444.06/32,157.90 = 6,649.02/x
  3. Step 3: Cross multiply
    21,444.06x = 32,157.90 × 6,649.02
  4. Step 4: Simplify right side
    21,444.06x = 213,818,520.26
  5. Step 5: Solve for x
    x = 213,818,520.26/21,444.06
  6. Step 6: Final answer
    x = 9,970.99

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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.