Home / 19,339.44-29,016.84-19,308.72

Finding the Fourth Proportional to 19,339.44, 29,016.84 and 19,308.72

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Solution

The fourth proportional to 19,339.44, 29,016.84 and 19,308.72 is: 28,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.44 : 29,016.84 = 19,308.72 : x
  2. Step 2: Convert to fraction form
    19,339.44/29,016.84 = 19,308.72/x
  3. Step 3: Cross multiply
    19,339.44x = 29,016.84 × 19,308.72
  4. Step 4: Simplify right side
    19,339.44x = 560,278,038.84
  5. Step 5: Solve for x
    x = 560,278,038.84/19,339.44
  6. Step 6: Final answer
    x = 28,970.75

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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.