Home / 28,219.94-38,944.70-16,887.23

Finding the Fourth Proportional to 28,219.94, 38,944.70 and 16,887.23

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Solution

The fourth proportional to 28,219.94, 38,944.70 and 16,887.23 is: 23,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.94 : 38,944.70 = 16,887.23 : x
  2. Step 2: Convert to fraction form
    28,219.94/38,944.70 = 16,887.23/x
  3. Step 3: Cross multiply
    28,219.94x = 38,944.70 × 16,887.23
  4. Step 4: Simplify right side
    28,219.94x = 657,668,106.18
  5. Step 5: Solve for x
    x = 657,668,106.18/28,219.94
  6. Step 6: Final answer
    x = 23,305.09

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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.