Home / 21,948.48-32,927.96-7,157.41

Finding the Fourth Proportional to 21,948.48, 32,927.96 and 7,157.41

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Solution

The fourth proportional to 21,948.48, 32,927.96 and 7,157.41 is: 10,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.48 : 32,927.96 = 7,157.41 : x
  2. Step 2: Convert to fraction form
    21,948.48/32,927.96 = 7,157.41/x
  3. Step 3: Cross multiply
    21,948.48x = 32,927.96 × 7,157.41
  4. Step 4: Simplify right side
    21,948.48x = 235,678,910.18
  5. Step 5: Solve for x
    x = 235,678,910.18/21,948.48
  6. Step 6: Final answer
    x = 10,737.82

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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.