Home / 28,556.72-42,836.29-8,835.65

Finding the Fourth Proportional to 28,556.72, 42,836.29 and 8,835.65

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Solution

The fourth proportional to 28,556.72, 42,836.29 and 8,835.65 is: 13,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.72 : 42,836.29 = 8,835.65 : x
  2. Step 2: Convert to fraction form
    28,556.72/42,836.29 = 8,835.65/x
  3. Step 3: Cross multiply
    28,556.72x = 42,836.29 × 8,835.65
  4. Step 4: Simplify right side
    28,556.72x = 378,486,207.38
  5. Step 5: Solve for x
    x = 378,486,207.38/28,556.72
  6. Step 6: Final answer
    x = 13,253.84

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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.