Home / 28,155.45-38,848.32-16,823.25

Finding the Fourth Proportional to 28,155.45, 38,848.32 and 16,823.25

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Solution

The fourth proportional to 28,155.45, 38,848.32 and 16,823.25 is: 23,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.45 : 38,848.32 = 16,823.25 : x
  2. Step 2: Convert to fraction form
    28,155.45/38,848.32 = 16,823.25/x
  3. Step 3: Cross multiply
    28,155.45x = 38,848.32 × 16,823.25
  4. Step 4: Simplify right side
    28,155.45x = 653,554,999.44
  5. Step 5: Solve for x
    x = 653,554,999.44/28,155.45
  6. Step 6: Final answer
    x = 23,212.38

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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.