Home / 19,720.44-29,554.74-8,027.28

Finding the Fourth Proportional to 19,720.44, 29,554.74 and 8,027.28

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Solution

The fourth proportional to 19,720.44, 29,554.74 and 8,027.28 is: 12,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.44 : 29,554.74 = 8,027.28 : x
  2. Step 2: Convert to fraction form
    19,720.44/29,554.74 = 8,027.28/x
  3. Step 3: Cross multiply
    19,720.44x = 29,554.74 × 8,027.28
  4. Step 4: Simplify right side
    19,720.44x = 237,244,173.31
  5. Step 5: Solve for x
    x = 237,244,173.31/19,720.44
  6. Step 6: Final answer
    x = 12,030.37

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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.