Home / 21,742.51-30,035.73-17,004.01

Finding the Fourth Proportional to 21,742.51, 30,035.73 and 17,004.01

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Solution

The fourth proportional to 21,742.51, 30,035.73 and 17,004.01 is: 23,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.51 : 30,035.73 = 17,004.01 : x
  2. Step 2: Convert to fraction form
    21,742.51/30,035.73 = 17,004.01/x
  3. Step 3: Cross multiply
    21,742.51x = 30,035.73 × 17,004.01
  4. Step 4: Simplify right side
    21,742.51x = 510,727,853.28
  5. Step 5: Solve for x
    x = 510,727,853.28/21,742.51
  6. Step 6: Final answer
    x = 23,489.83

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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.