Home / 22,968.82-31,696.16-14,031.28

Finding the Fourth Proportional to 22,968.82, 31,696.16 and 14,031.28

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Solution

The fourth proportional to 22,968.82, 31,696.16 and 14,031.28 is: 19,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,968.82 : 31,696.16 = 14,031.28 : x
  2. Step 2: Convert to fraction form
    22,968.82/31,696.16 = 14,031.28/x
  3. Step 3: Cross multiply
    22,968.82x = 31,696.16 × 14,031.28
  4. Step 4: Simplify right side
    22,968.82x = 444,737,651.72
  5. Step 5: Solve for x
    x = 444,737,651.72/22,968.82
  6. Step 6: Final answer
    x = 19,362.67

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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.