Home / 19,073.58-28,621.56-7,979.36

Finding the Fourth Proportional to 19,073.58, 28,621.56 and 7,979.36

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Solution

The fourth proportional to 19,073.58, 28,621.56 and 7,979.36 is: 11,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.58 : 28,621.56 = 7,979.36 : x
  2. Step 2: Convert to fraction form
    19,073.58/28,621.56 = 7,979.36/x
  3. Step 3: Cross multiply
    19,073.58x = 28,621.56 × 7,979.36
  4. Step 4: Simplify right side
    19,073.58x = 228,381,731.00
  5. Step 5: Solve for x
    x = 228,381,731.00/19,073.58
  6. Step 6: Final answer
    x = 11,973.72

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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.