Home / 28,853.03-39,817.01-16,105.47

Finding the Fourth Proportional to 28,853.03, 39,817.01 and 16,105.47

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Solution

The fourth proportional to 28,853.03, 39,817.01 and 16,105.47 is: 22,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.03 : 39,817.01 = 16,105.47 : x
  2. Step 2: Convert to fraction form
    28,853.03/39,817.01 = 16,105.47/x
  3. Step 3: Cross multiply
    28,853.03x = 39,817.01 × 16,105.47
  4. Step 4: Simplify right side
    28,853.03x = 641,271,700.31
  5. Step 5: Solve for x
    x = 641,271,700.31/28,853.03
  6. Step 6: Final answer
    x = 22,225.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.