Home / 20,672.46-30,984.08-14,398.52

Finding the Fourth Proportional to 20,672.46, 30,984.08 and 14,398.52

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Solution

The fourth proportional to 20,672.46, 30,984.08 and 14,398.52 is: 21,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.46 : 30,984.08 = 14,398.52 : x
  2. Step 2: Convert to fraction form
    20,672.46/30,984.08 = 14,398.52/x
  3. Step 3: Cross multiply
    20,672.46x = 30,984.08 × 14,398.52
  4. Step 4: Simplify right side
    20,672.46x = 446,124,782.11
  5. Step 5: Solve for x
    x = 446,124,782.11/20,672.46
  6. Step 6: Final answer
    x = 21,580.63

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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.