Home / 28,472.36-39,292.42-16,531.34

Finding the Fourth Proportional to 28,472.36, 39,292.42 and 16,531.34

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Solution

The fourth proportional to 28,472.36, 39,292.42 and 16,531.34 is: 22,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.36 : 39,292.42 = 16,531.34 : x
  2. Step 2: Convert to fraction form
    28,472.36/39,292.42 = 16,531.34/x
  3. Step 3: Cross multiply
    28,472.36x = 39,292.42 × 16,531.34
  4. Step 4: Simplify right side
    28,472.36x = 649,556,354.44
  5. Step 5: Solve for x
    x = 649,556,354.44/28,472.36
  6. Step 6: Final answer
    x = 22,813.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.