Home / 28,014.96-38,716.38-22,971.36

Finding the Fourth Proportional to 28,014.96, 38,716.38 and 22,971.36

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Solution

The fourth proportional to 28,014.96, 38,716.38 and 22,971.36 is: 31,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.96 : 38,716.38 = 22,971.36 : x
  2. Step 2: Convert to fraction form
    28,014.96/38,716.38 = 22,971.36/x
  3. Step 3: Cross multiply
    28,014.96x = 38,716.38 × 22,971.36
  4. Step 4: Simplify right side
    28,014.96x = 889,367,902.88
  5. Step 5: Solve for x
    x = 889,367,902.88/28,014.96
  6. Step 6: Final answer
    x = 31,746.18

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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.