Home / 21,741.96-30,004.26-16,967.28

Finding the Fourth Proportional to 21,741.96, 30,004.26 and 16,967.28

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Solution

The fourth proportional to 21,741.96, 30,004.26 and 16,967.28 is: 23,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.96 : 30,004.26 = 16,967.28 : x
  2. Step 2: Convert to fraction form
    21,741.96/30,004.26 = 16,967.28/x
  3. Step 3: Cross multiply
    21,741.96x = 30,004.26 × 16,967.28
  4. Step 4: Simplify right side
    21,741.96x = 509,090,680.61
  5. Step 5: Solve for x
    x = 509,090,680.61/21,741.96
  6. Step 6: Final answer
    x = 23,415.12

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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.