Home / 21,569.05-32,353.59-6,779.26

Finding the Fourth Proportional to 21,569.05, 32,353.59 and 6,779.26

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Solution

The fourth proportional to 21,569.05, 32,353.59 and 6,779.26 is: 10,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.05 : 32,353.59 = 6,779.26 : x
  2. Step 2: Convert to fraction form
    21,569.05/32,353.59 = 6,779.26/x
  3. Step 3: Cross multiply
    21,569.05x = 32,353.59 × 6,779.26
  4. Step 4: Simplify right side
    21,569.05x = 219,333,236.78
  5. Step 5: Solve for x
    x = 219,333,236.78/21,569.05
  6. Step 6: Final answer
    x = 10,168.89

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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.