Home / 19,881.46-29,807.84-10,027.68

Finding the Fourth Proportional to 19,881.46, 29,807.84 and 10,027.68

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Solution

The fourth proportional to 19,881.46, 29,807.84 and 10,027.68 is: 15,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.46 : 29,807.84 = 10,027.68 : x
  2. Step 2: Convert to fraction form
    19,881.46/29,807.84 = 10,027.68/x
  3. Step 3: Cross multiply
    19,881.46x = 29,807.84 × 10,027.68
  4. Step 4: Simplify right side
    19,881.46x = 298,903,481.01
  5. Step 5: Solve for x
    x = 298,903,481.01/19,881.46
  6. Step 6: Final answer
    x = 15,034.28

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1.5x scale

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.