Home / 19,271.06-28,906.14-8,882.80

Finding the Fourth Proportional to 19,271.06, 28,906.14 and 8,882.80

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Solution

The fourth proportional to 19,271.06, 28,906.14 and 8,882.80 is: 13,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.06 : 28,906.14 = 8,882.80 : x
  2. Step 2: Convert to fraction form
    19,271.06/28,906.14 = 8,882.80/x
  3. Step 3: Cross multiply
    19,271.06x = 28,906.14 × 8,882.80
  4. Step 4: Simplify right side
    19,271.06x = 256,767,460.39
  5. Step 5: Solve for x
    x = 256,767,460.39/19,271.06
  6. Step 6: Final answer
    x = 13,323.99

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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.