Home / 21,376.56-32,071.32-15,148.62

Finding the Fourth Proportional to 21,376.56, 32,071.32 and 15,148.62

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Solution

The fourth proportional to 21,376.56, 32,071.32 and 15,148.62 is: 22,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.56 : 32,071.32 = 15,148.62 : x
  2. Step 2: Convert to fraction form
    21,376.56/32,071.32 = 15,148.62/x
  3. Step 3: Cross multiply
    21,376.56x = 32,071.32 × 15,148.62
  4. Step 4: Simplify right side
    21,376.56x = 485,836,239.58
  5. Step 5: Solve for x
    x = 485,836,239.58/21,376.56
  6. Step 6: Final answer
    x = 22,727.52

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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.