Home / 19,611.54-29,377.53-15,669.45

Finding the Fourth Proportional to 19,611.54, 29,377.53 and 15,669.45

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Solution

The fourth proportional to 19,611.54, 29,377.53 and 15,669.45 is: 23,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.54 : 29,377.53 = 15,669.45 : x
  2. Step 2: Convert to fraction form
    19,611.54/29,377.53 = 15,669.45/x
  3. Step 3: Cross multiply
    19,611.54x = 29,377.53 × 15,669.45
  4. Step 4: Simplify right side
    19,611.54x = 460,329,737.46
  5. Step 5: Solve for x
    x = 460,329,737.46/19,611.54
  6. Step 6: Final answer
    x = 23,472.39

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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.