Home / 23,322.56-31,960.84-21,080.48

Finding the Fourth Proportional to 23,322.56, 31,960.84 and 21,080.48

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Solution

The fourth proportional to 23,322.56, 31,960.84 and 21,080.48 is: 28,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,322.56 : 31,960.84 = 21,080.48 : x
  2. Step 2: Convert to fraction form
    23,322.56/31,960.84 = 21,080.48/x
  3. Step 3: Cross multiply
    23,322.56x = 31,960.84 × 21,080.48
  4. Step 4: Simplify right side
    23,322.56x = 673,749,848.40
  5. Step 5: Solve for x
    x = 673,749,848.40/23,322.56
  6. Step 6: Final answer
    x = 28,888.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.