Home / 28,886.48-43,336.20-10,418.48

Finding the Fourth Proportional to 28,886.48, 43,336.20 and 10,418.48

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Solution

The fourth proportional to 28,886.48, 43,336.20 and 10,418.48 is: 15,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.48 : 43,336.20 = 10,418.48 : x
  2. Step 2: Convert to fraction form
    28,886.48/43,336.20 = 10,418.48/x
  3. Step 3: Cross multiply
    28,886.48x = 43,336.20 × 10,418.48
  4. Step 4: Simplify right side
    28,886.48x = 451,497,332.98
  5. Step 5: Solve for x
    x = 451,497,332.98/28,886.48
  6. Step 6: Final answer
    x = 15,630.06

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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.