Home / 16,976.70-23,378.40-15,893.69

Finding the Fourth Proportional to 16,976.70, 23,378.40 and 15,893.69

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Solution

The fourth proportional to 16,976.70, 23,378.40 and 15,893.69 is: 21,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.70 : 23,378.40 = 15,893.69 : x
  2. Step 2: Convert to fraction form
    16,976.70/23,378.40 = 15,893.69/x
  3. Step 3: Cross multiply
    16,976.70x = 23,378.40 × 15,893.69
  4. Step 4: Simplify right side
    16,976.70x = 371,568,925.40
  5. Step 5: Solve for x
    x = 371,568,925.40/16,976.70
  6. Step 6: Final answer
    x = 21,886.99

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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.