Home / 28,241.74-38,970.75-16,308.88

Finding the Fourth Proportional to 28,241.74, 38,970.75 and 16,308.88

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Solution

The fourth proportional to 28,241.74, 38,970.75 and 16,308.88 is: 22,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.74 : 38,970.75 = 16,308.88 : x
  2. Step 2: Convert to fraction form
    28,241.74/38,970.75 = 16,308.88/x
  3. Step 3: Cross multiply
    28,241.74x = 38,970.75 × 16,308.88
  4. Step 4: Simplify right side
    28,241.74x = 635,569,285.26
  5. Step 5: Solve for x
    x = 635,569,285.26/28,241.74
  6. Step 6: Final answer
    x = 22,504.61

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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.