Home / 28,839.78-43,261.38-8,063.28

Finding the Fourth Proportional to 28,839.78, 43,261.38 and 8,063.28

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Solution

The fourth proportional to 28,839.78, 43,261.38 and 8,063.28 is: 12,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.78 : 43,261.38 = 8,063.28 : x
  2. Step 2: Convert to fraction form
    28,839.78/43,261.38 = 8,063.28/x
  3. Step 3: Cross multiply
    28,839.78x = 43,261.38 × 8,063.28
  4. Step 4: Simplify right side
    28,839.78x = 348,828,620.13
  5. Step 5: Solve for x
    x = 348,828,620.13/28,839.78
  6. Step 6: Final answer
    x = 12,095.40

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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.