Home / 28,668.66-43,002.94-18,805.59

Finding the Fourth Proportional to 28,668.66, 43,002.94 and 18,805.59

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Solution

The fourth proportional to 28,668.66, 43,002.94 and 18,805.59 is: 28,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.66 : 43,002.94 = 18,805.59 : x
  2. Step 2: Convert to fraction form
    28,668.66/43,002.94 = 18,805.59/x
  3. Step 3: Cross multiply
    28,668.66x = 43,002.94 × 18,805.59
  4. Step 4: Simplify right side
    28,668.66x = 808,695,443.42
  5. Step 5: Solve for x
    x = 808,695,443.42/28,668.66
  6. Step 6: Final answer
    x = 28,208.35

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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.