Home / 19,330.40-28,994.52-5,289.41

Finding the Fourth Proportional to 19,330.40, 28,994.52 and 5,289.41

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Solution

The fourth proportional to 19,330.40, 28,994.52 and 5,289.41 is: 7,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.40 : 28,994.52 = 5,289.41 : x
  2. Step 2: Convert to fraction form
    19,330.40/28,994.52 = 5,289.41/x
  3. Step 3: Cross multiply
    19,330.40x = 28,994.52 × 5,289.41
  4. Step 4: Simplify right side
    19,330.40x = 153,364,057.52
  5. Step 5: Solve for x
    x = 153,364,057.52/19,330.40
  6. Step 6: Final answer
    x = 7,933.83

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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.