Home / 19,036.80-28,555.20-16,995.60

Finding the Fourth Proportional to 19,036.80, 28,555.20 and 16,995.60

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Solution

The fourth proportional to 19,036.80, 28,555.20 and 16,995.60 is: 25,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.80 : 28,555.20 = 16,995.60 : x
  2. Step 2: Convert to fraction form
    19,036.80/28,555.20 = 16,995.60/x
  3. Step 3: Cross multiply
    19,036.80x = 28,555.20 × 16,995.60
  4. Step 4: Simplify right side
    19,036.80x = 485,312,757.12
  5. Step 5: Solve for x
    x = 485,312,757.12/19,036.80
  6. Step 6: Final answer
    x = 25,493.40

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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.