Home / 28,416.36-42,636.82-15,253.36

Finding the Fourth Proportional to 28,416.36, 42,636.82 and 15,253.36

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Solution

The fourth proportional to 28,416.36, 42,636.82 and 15,253.36 is: 22,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.36 : 42,636.82 = 15,253.36 : x
  2. Step 2: Convert to fraction form
    28,416.36/42,636.82 = 15,253.36/x
  3. Step 3: Cross multiply
    28,416.36x = 42,636.82 × 15,253.36
  4. Step 4: Simplify right side
    28,416.36x = 650,354,764.72
  5. Step 5: Solve for x
    x = 650,354,764.72/28,416.36
  6. Step 6: Final answer
    x = 22,886.63

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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.