Home / 28,368.88-42,556.23-10,853.44

Finding the Fourth Proportional to 28,368.88, 42,556.23 and 10,853.44

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Solution

The fourth proportional to 28,368.88, 42,556.23 and 10,853.44 is: 16,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.88 : 42,556.23 = 10,853.44 : x
  2. Step 2: Convert to fraction form
    28,368.88/42,556.23 = 10,853.44/x
  3. Step 3: Cross multiply
    28,368.88x = 42,556.23 × 10,853.44
  4. Step 4: Simplify right side
    28,368.88x = 461,881,488.93
  5. Step 5: Solve for x
    x = 461,881,488.93/28,368.88
  6. Step 6: Final answer
    x = 16,281.27

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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.