Home / 28,228.42-38,952.41-16,295.60

Finding the Fourth Proportional to 28,228.42, 38,952.41 and 16,295.60

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Solution

The fourth proportional to 28,228.42, 38,952.41 and 16,295.60 is: 22,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.42 : 38,952.41 = 16,295.60 : x
  2. Step 2: Convert to fraction form
    28,228.42/38,952.41 = 16,295.60/x
  3. Step 3: Cross multiply
    28,228.42x = 38,952.41 × 16,295.60
  4. Step 4: Simplify right side
    28,228.42x = 634,752,892.40
  5. Step 5: Solve for x
    x = 634,752,892.40/28,228.42
  6. Step 6: Final answer
    x = 22,486.31

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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.