Home / 18,823.24-28,239.18-5,675.72

Finding the Fourth Proportional to 18,823.24, 28,239.18 and 5,675.72

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Solution

The fourth proportional to 18,823.24, 28,239.18 and 5,675.72 is: 8,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.24 : 28,239.18 = 5,675.72 : x
  2. Step 2: Convert to fraction form
    18,823.24/28,239.18 = 5,675.72/x
  3. Step 3: Cross multiply
    18,823.24x = 28,239.18 × 5,675.72
  4. Step 4: Simplify right side
    18,823.24x = 160,277,707.00
  5. Step 5: Solve for x
    x = 160,277,707.00/18,823.24
  6. Step 6: Final answer
    x = 8,514.89

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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.