Home / 19,047.80-28,571.39-5,196.80

Finding the Fourth Proportional to 19,047.80, 28,571.39 and 5,196.80

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Solution

The fourth proportional to 19,047.80, 28,571.39 and 5,196.80 is: 7,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.80 : 28,571.39 = 5,196.80 : x
  2. Step 2: Convert to fraction form
    19,047.80/28,571.39 = 5,196.80/x
  3. Step 3: Cross multiply
    19,047.80x = 28,571.39 × 5,196.80
  4. Step 4: Simplify right side
    19,047.80x = 148,479,630.71
  5. Step 5: Solve for x
    x = 148,479,630.71/19,047.80
  6. Step 6: Final answer
    x = 7,795.11

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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.