Home / 19,271.30-28,923.41-13,738.18

Finding the Fourth Proportional to 19,271.30, 28,923.41 and 13,738.18

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Solution

The fourth proportional to 19,271.30, 28,923.41 and 13,738.18 is: 20,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.30 : 28,923.41 = 13,738.18 : x
  2. Step 2: Convert to fraction form
    19,271.30/28,923.41 = 13,738.18/x
  3. Step 3: Cross multiply
    19,271.30x = 28,923.41 × 13,738.18
  4. Step 4: Simplify right side
    19,271.30x = 397,355,012.79
  5. Step 5: Solve for x
    x = 397,355,012.79/19,271.30
  6. Step 6: Final answer
    x = 20,619.00

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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.