Home / 28,914.06-39,902.37-16,339.62

Finding the Fourth Proportional to 28,914.06, 39,902.37 and 16,339.62

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Solution

The fourth proportional to 28,914.06, 39,902.37 and 16,339.62 is: 22,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.06 : 39,902.37 = 16,339.62 : x
  2. Step 2: Convert to fraction form
    28,914.06/39,902.37 = 16,339.62/x
  3. Step 3: Cross multiply
    28,914.06x = 39,902.37 × 16,339.62
  4. Step 4: Simplify right side
    28,914.06x = 651,989,562.90
  5. Step 5: Solve for x
    x = 651,989,562.90/28,914.06
  6. Step 6: Final answer
    x = 22,549.22

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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.