Home / 19,739.90-29,500.67-17,684.12

Finding the Fourth Proportional to 19,739.90, 29,500.67 and 17,684.12

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Solution

The fourth proportional to 19,739.90, 29,500.67 and 17,684.12 is: 26,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.90 : 29,500.67 = 17,684.12 : x
  2. Step 2: Convert to fraction form
    19,739.90/29,500.67 = 17,684.12/x
  3. Step 3: Cross multiply
    19,739.90x = 29,500.67 × 17,684.12
  4. Step 4: Simplify right side
    19,739.90x = 521,693,388.36
  5. Step 5: Solve for x
    x = 521,693,388.36/19,739.90
  6. Step 6: Final answer
    x = 26,428.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.