Home / 20,541.60-30,747.60-14,709.60

Finding the Fourth Proportional to 20,541.60, 30,747.60 and 14,709.60

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Solution

The fourth proportional to 20,541.60, 30,747.60 and 14,709.60 is: 22,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.60 : 30,747.60 = 14,709.60 : x
  2. Step 2: Convert to fraction form
    20,541.60/30,747.60 = 14,709.60/x
  3. Step 3: Cross multiply
    20,541.60x = 30,747.60 × 14,709.60
  4. Step 4: Simplify right side
    20,541.60x = 452,284,896.96
  5. Step 5: Solve for x
    x = 452,284,896.96/20,541.60
  6. Step 6: Final answer
    x = 22,018.00

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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.