Home / 20,580.80-28,372.41-14,610.29

Finding the Fourth Proportional to 20,580.80, 28,372.41 and 14,610.29

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Solution

The fourth proportional to 20,580.80, 28,372.41 and 14,610.29 is: 20,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.80 : 28,372.41 = 14,610.29 : x
  2. Step 2: Convert to fraction form
    20,580.80/28,372.41 = 14,610.29/x
  3. Step 3: Cross multiply
    20,580.80x = 28,372.41 × 14,610.29
  4. Step 4: Simplify right side
    20,580.80x = 414,528,996.24
  5. Step 5: Solve for x
    x = 414,528,996.24/20,580.80
  6. Step 6: Final answer
    x = 20,141.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.