Home / 21,705.27-32,558.17-7,655.44

Finding the Fourth Proportional to 21,705.27, 32,558.17 and 7,655.44

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Solution

The fourth proportional to 21,705.27, 32,558.17 and 7,655.44 is: 11,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.27 : 32,558.17 = 7,655.44 : x
  2. Step 2: Convert to fraction form
    21,705.27/32,558.17 = 7,655.44/x
  3. Step 3: Cross multiply
    21,705.27x = 32,558.17 × 7,655.44
  4. Step 4: Simplify right side
    21,705.27x = 249,247,116.94
  5. Step 5: Solve for x
    x = 249,247,116.94/21,705.27
  6. Step 6: Final answer
    x = 11,483.25

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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.