Home / 20,977.49-31,466.25-14,383.69

Finding the Fourth Proportional to 20,977.49, 31,466.25 and 14,383.69

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Solution

The fourth proportional to 20,977.49, 31,466.25 and 14,383.69 is: 21,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977.49 : 31,466.25 = 14,383.69 : x
  2. Step 2: Convert to fraction form
    20,977.49/31,466.25 = 14,383.69/x
  3. Step 3: Cross multiply
    20,977.49x = 31,466.25 × 14,383.69
  4. Step 4: Simplify right side
    20,977.49x = 452,600,706.80
  5. Step 5: Solve for x
    x = 452,600,706.80/20,977.49
  6. Step 6: Final answer
    x = 21,575.54

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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.