Home / 28,697.88-43,039.97-12,058.23

Finding the Fourth Proportional to 28,697.88, 43,039.97 and 12,058.23

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Solution

The fourth proportional to 28,697.88, 43,039.97 and 12,058.23 is: 18,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.88 : 43,039.97 = 12,058.23 : x
  2. Step 2: Convert to fraction form
    28,697.88/43,039.97 = 12,058.23/x
  3. Step 3: Cross multiply
    28,697.88x = 43,039.97 × 12,058.23
  4. Step 4: Simplify right side
    28,697.88x = 518,985,857.45
  5. Step 5: Solve for x
    x = 518,985,857.45/28,697.88
  6. Step 6: Final answer
    x = 18,084.47

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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.