Home / 21,629.44-32,400.96-19,802.08

Finding the Fourth Proportional to 21,629.44, 32,400.96 and 19,802.08

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Solution

The fourth proportional to 21,629.44, 32,400.96 and 19,802.08 is: 29,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.44 : 32,400.96 = 19,802.08 : x
  2. Step 2: Convert to fraction form
    21,629.44/32,400.96 = 19,802.08/x
  3. Step 3: Cross multiply
    21,629.44x = 32,400.96 × 19,802.08
  4. Step 4: Simplify right side
    21,629.44x = 641,606,402.00
  5. Step 5: Solve for x
    x = 641,606,402.00/21,629.44
  6. Step 6: Final answer
    x = 29,663.57

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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.