Home / 20,353.61-30,490.67-14,027.37

Finding the Fourth Proportional to 20,353.61, 30,490.67 and 14,027.37

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Solution

The fourth proportional to 20,353.61, 30,490.67 and 14,027.37 is: 21,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.61 : 30,490.67 = 14,027.37 : x
  2. Step 2: Convert to fraction form
    20,353.61/30,490.67 = 14,027.37/x
  3. Step 3: Cross multiply
    20,353.61x = 30,490.67 × 14,027.37
  4. Step 4: Simplify right side
    20,353.61x = 427,703,687.05
  5. Step 5: Solve for x
    x = 427,703,687.05/20,353.61
  6. Step 6: Final answer
    x = 21,013.65

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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.