Home / 23,172.93-31,976.25-14,220.81

Finding the Fourth Proportional to 23,172.93, 31,976.25 and 14,220.81

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Solution

The fourth proportional to 23,172.93, 31,976.25 and 14,220.81 is: 19,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.93 : 31,976.25 = 14,220.81 : x
  2. Step 2: Convert to fraction form
    23,172.93/31,976.25 = 14,220.81/x
  3. Step 3: Cross multiply
    23,172.93x = 31,976.25 × 14,220.81
  4. Step 4: Simplify right side
    23,172.93x = 454,728,175.76
  5. Step 5: Solve for x
    x = 454,728,175.76/23,172.93
  6. Step 6: Final answer
    x = 19,623.25

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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.