Home / 15,889.32-23,719.75-14,735.88

Finding the Fourth Proportional to 15,889.32, 23,719.75 and 14,735.88

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Solution

The fourth proportional to 15,889.32, 23,719.75 and 14,735.88 is: 21,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.32 : 23,719.75 = 14,735.88 : x
  2. Step 2: Convert to fraction form
    15,889.32/23,719.75 = 14,735.88/x
  3. Step 3: Cross multiply
    15,889.32x = 23,719.75 × 14,735.88
  4. Step 4: Simplify right side
    15,889.32x = 349,531,352.79
  5. Step 5: Solve for x
    x = 349,531,352.79/15,889.32
  6. Step 6: Final answer
    x = 21,997.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.