Home / 19,075.44-28,607.94-7,979.76

Finding the Fourth Proportional to 19,075.44, 28,607.94 and 7,979.76

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Solution

The fourth proportional to 19,075.44, 28,607.94 and 7,979.76 is: 11,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.44 : 28,607.94 = 7,979.76 : x
  2. Step 2: Convert to fraction form
    19,075.44/28,607.94 = 7,979.76/x
  3. Step 3: Cross multiply
    19,075.44x = 28,607.94 × 7,979.76
  4. Step 4: Simplify right side
    19,075.44x = 228,284,495.29
  5. Step 5: Solve for x
    x = 228,284,495.29/19,075.44
  6. Step 6: Final answer
    x = 11,967.46

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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.