Home / 21,817.86-32,729.85-7,028.34

Finding the Fourth Proportional to 21,817.86, 32,729.85 and 7,028.34

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Solution

The fourth proportional to 21,817.86, 32,729.85 and 7,028.34 is: 10,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.86 : 32,729.85 = 7,028.34 : x
  2. Step 2: Convert to fraction form
    21,817.86/32,729.85 = 7,028.34/x
  3. Step 3: Cross multiply
    21,817.86x = 32,729.85 × 7,028.34
  4. Step 4: Simplify right side
    21,817.86x = 230,036,513.95
  5. Step 5: Solve for x
    x = 230,036,513.95/21,817.86
  6. Step 6: Final answer
    x = 10,543.50

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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.