Home / 28,767.54-43,142.76-12,963.45

Finding the Fourth Proportional to 28,767.54, 43,142.76 and 12,963.45

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Solution

The fourth proportional to 28,767.54, 43,142.76 and 12,963.45 is: 19,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.54 : 43,142.76 = 12,963.45 : x
  2. Step 2: Convert to fraction form
    28,767.54/43,142.76 = 12,963.45/x
  3. Step 3: Cross multiply
    28,767.54x = 43,142.76 × 12,963.45
  4. Step 4: Simplify right side
    28,767.54x = 559,279,012.12
  5. Step 5: Solve for x
    x = 559,279,012.12/28,767.54
  6. Step 6: Final answer
    x = 19,441.32

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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.