Home / 20,264.37-30,407.25-14,379.28

Finding the Fourth Proportional to 20,264.37, 30,407.25 and 14,379.28

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Solution

The fourth proportional to 20,264.37, 30,407.25 and 14,379.28 is: 21,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.37 : 30,407.25 = 14,379.28 : x
  2. Step 2: Convert to fraction form
    20,264.37/30,407.25 = 14,379.28/x
  3. Step 3: Cross multiply
    20,264.37x = 30,407.25 × 14,379.28
  4. Step 4: Simplify right side
    20,264.37x = 437,234,137.85
  5. Step 5: Solve for x
    x = 437,234,137.85/20,264.37
  6. Step 6: Final answer
    x = 21,576.50

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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.