Home / 28,224.30-38,954.61-16,285.98

Finding the Fourth Proportional to 28,224.30, 38,954.61 and 16,285.98

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Solution

The fourth proportional to 28,224.30, 38,954.61 and 16,285.98 is: 22,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.30 : 38,954.61 = 16,285.98 : x
  2. Step 2: Convert to fraction form
    28,224.30/38,954.61 = 16,285.98/x
  3. Step 3: Cross multiply
    28,224.30x = 38,954.61 × 16,285.98
  4. Step 4: Simplify right side
    28,224.30x = 634,413,999.37
  5. Step 5: Solve for x
    x = 634,413,999.37/28,224.30
  6. Step 6: Final answer
    x = 22,477.58

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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.