Home / 28,196.20-38,910.74-16,259.37

Finding the Fourth Proportional to 28,196.20, 38,910.74 and 16,259.37

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Solution

The fourth proportional to 28,196.20, 38,910.74 and 16,259.37 is: 22,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.20 : 38,910.74 = 16,259.37 : x
  2. Step 2: Convert to fraction form
    28,196.20/38,910.74 = 16,259.37/x
  3. Step 3: Cross multiply
    28,196.20x = 38,910.74 × 16,259.37
  4. Step 4: Simplify right side
    28,196.20x = 632,664,118.63
  5. Step 5: Solve for x
    x = 632,664,118.63/28,196.20
  6. Step 6: Final answer
    x = 22,437.92

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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.