Home / 19,275.29-26,591.85-12,976.73

Finding the Fourth Proportional to 19,275.29, 26,591.85 and 12,976.73

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Solution

The fourth proportional to 19,275.29, 26,591.85 and 12,976.73 is: 17,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.29 : 26,591.85 = 12,976.73 : x
  2. Step 2: Convert to fraction form
    19,275.29/26,591.85 = 12,976.73/x
  3. Step 3: Cross multiply
    19,275.29x = 26,591.85 × 12,976.73
  4. Step 4: Simplify right side
    19,275.29x = 345,075,257.65
  5. Step 5: Solve for x
    x = 345,075,257.65/19,275.29
  6. Step 6: Final answer
    x = 17,902.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.