Home / 28,876.04-39,849.23-16,939.58

Finding the Fourth Proportional to 28,876.04, 39,849.23 and 16,939.58

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Solution

The fourth proportional to 28,876.04, 39,849.23 and 16,939.58 is: 23,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.04 : 39,849.23 = 16,939.58 : x
  2. Step 2: Convert to fraction form
    28,876.04/39,849.23 = 16,939.58/x
  3. Step 3: Cross multiply
    28,876.04x = 39,849.23 × 16,939.58
  4. Step 4: Simplify right side
    28,876.04x = 675,029,219.52
  5. Step 5: Solve for x
    x = 675,029,219.52/28,876.04
  6. Step 6: Final answer
    x = 23,376.79

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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.