Home / 28,869.50-39,840.54-16,294.34

Finding the Fourth Proportional to 28,869.50, 39,840.54 and 16,294.34

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Solution

The fourth proportional to 28,869.50, 39,840.54 and 16,294.34 is: 22,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.50 : 39,840.54 = 16,294.34 : x
  2. Step 2: Convert to fraction form
    28,869.50/39,840.54 = 16,294.34/x
  3. Step 3: Cross multiply
    28,869.50x = 39,840.54 × 16,294.34
  4. Step 4: Simplify right side
    28,869.50x = 649,175,304.54
  5. Step 5: Solve for x
    x = 649,175,304.54/28,869.50
  6. Step 6: Final answer
    x = 22,486.54

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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.