Home / 19,043.28-28,559.40-7,353.84

Finding the Fourth Proportional to 19,043.28, 28,559.40 and 7,353.84

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Solution

The fourth proportional to 19,043.28, 28,559.40 and 7,353.84 is: 11,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.28 : 28,559.40 = 7,353.84 : x
  2. Step 2: Convert to fraction form
    19,043.28/28,559.40 = 7,353.84/x
  3. Step 3: Cross multiply
    19,043.28x = 28,559.40 × 7,353.84
  4. Step 4: Simplify right side
    19,043.28x = 210,021,258.10
  5. Step 5: Solve for x
    x = 210,021,258.10/19,043.28
  6. Step 6: Final answer
    x = 11,028.63

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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.