Home / 28,659.94-39,554.67-16,085.50

Finding the Fourth Proportional to 28,659.94, 39,554.67 and 16,085.50

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Solution

The fourth proportional to 28,659.94, 39,554.67 and 16,085.50 is: 22,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.94 : 39,554.67 = 16,085.50 : x
  2. Step 2: Convert to fraction form
    28,659.94/39,554.67 = 16,085.50/x
  3. Step 3: Cross multiply
    28,659.94x = 39,554.67 × 16,085.50
  4. Step 4: Simplify right side
    28,659.94x = 636,256,644.29
  5. Step 5: Solve for x
    x = 636,256,644.29/28,659.94
  6. Step 6: Final answer
    x = 22,200.21

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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.