Home / 21,458.42-32,187.62-17,505.41

Finding the Fourth Proportional to 21,458.42, 32,187.62 and 17,505.41

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Solution

The fourth proportional to 21,458.42, 32,187.62 and 17,505.41 is: 26,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458.42 : 32,187.62 = 17,505.41 : x
  2. Step 2: Convert to fraction form
    21,458.42/32,187.62 = 17,505.41/x
  3. Step 3: Cross multiply
    21,458.42x = 32,187.62 × 17,505.41
  4. Step 4: Simplify right side
    21,458.42x = 563,457,236.56
  5. Step 5: Solve for x
    x = 563,457,236.56/21,458.42
  6. Step 6: Final answer
    x = 26,258.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.