Home / 28,228.18-38,954.54-16,291.26

Finding the Fourth Proportional to 28,228.18, 38,954.54 and 16,291.26

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Solution

The fourth proportional to 28,228.18, 38,954.54 and 16,291.26 is: 22,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.18 : 38,954.54 = 16,291.26 : x
  2. Step 2: Convert to fraction form
    28,228.18/38,954.54 = 16,291.26/x
  3. Step 3: Cross multiply
    28,228.18x = 38,954.54 × 16,291.26
  4. Step 4: Simplify right side
    28,228.18x = 634,618,539.32
  5. Step 5: Solve for x
    x = 634,618,539.32/28,228.18
  6. Step 6: Final answer
    x = 22,481.74

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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.