Home / 19,059.78-28,588.30-5,911.81

Finding the Fourth Proportional to 19,059.78, 28,588.30 and 5,911.81

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Solution

The fourth proportional to 19,059.78, 28,588.30 and 5,911.81 is: 8,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.78 : 28,588.30 = 5,911.81 : x
  2. Step 2: Convert to fraction form
    19,059.78/28,588.30 = 5,911.81/x
  3. Step 3: Cross multiply
    19,059.78x = 28,588.30 × 5,911.81
  4. Step 4: Simplify right side
    19,059.78x = 169,008,597.82
  5. Step 5: Solve for x
    x = 169,008,597.82/19,059.78
  6. Step 6: Final answer
    x = 8,867.29

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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.