Home / 20,099.82-27,709.06-14,432.76

Finding the Fourth Proportional to 20,099.82, 27,709.06 and 14,432.76

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Solution

The fourth proportional to 20,099.82, 27,709.06 and 14,432.76 is: 19,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.82 : 27,709.06 = 14,432.76 : x
  2. Step 2: Convert to fraction form
    20,099.82/27,709.06 = 14,432.76/x
  3. Step 3: Cross multiply
    20,099.82x = 27,709.06 × 14,432.76
  4. Step 4: Simplify right side
    20,099.82x = 399,918,166.45
  5. Step 5: Solve for x
    x = 399,918,166.45/20,099.82
  6. Step 6: Final answer
    x = 19,896.60

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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.