Home / 19,267.05-28,900.14-8,878.80

Finding the Fourth Proportional to 19,267.05, 28,900.14 and 8,878.80

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Solution

The fourth proportional to 19,267.05, 28,900.14 and 8,878.80 is: 13,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.05 : 28,900.14 = 8,878.80 : x
  2. Step 2: Convert to fraction form
    19,267.05/28,900.14 = 8,878.80/x
  3. Step 3: Cross multiply
    19,267.05x = 28,900.14 × 8,878.80
  4. Step 4: Simplify right side
    19,267.05x = 256,598,563.03
  5. Step 5: Solve for x
    x = 256,598,563.03/19,267.05
  6. Step 6: Final answer
    x = 13,318.00

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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.