Home / 28,083.75-42,158.03-14,261.91

Finding the Fourth Proportional to 28,083.75, 42,158.03 and 14,261.91

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Solution

The fourth proportional to 28,083.75, 42,158.03 and 14,261.91 is: 21,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.75 : 42,158.03 = 14,261.91 : x
  2. Step 2: Convert to fraction form
    28,083.75/42,158.03 = 14,261.91/x
  3. Step 3: Cross multiply
    28,083.75x = 42,158.03 × 14,261.91
  4. Step 4: Simplify right side
    28,083.75x = 601,253,958.33
  5. Step 5: Solve for x
    x = 601,253,958.33/28,083.75
  6. Step 6: Final answer
    x = 21,409.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.