Home / 27,783.77-41,674.71-12,972.38

Finding the Fourth Proportional to 27,783.77, 41,674.71 and 12,972.38

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Solution

The fourth proportional to 27,783.77, 41,674.71 and 12,972.38 is: 19,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783.77 : 41,674.71 = 12,972.38 : x
  2. Step 2: Convert to fraction form
    27,783.77/41,674.71 = 12,972.38/x
  3. Step 3: Cross multiply
    27,783.77x = 41,674.71 × 12,972.38
  4. Step 4: Simplify right side
    27,783.77x = 540,620,174.51
  5. Step 5: Solve for x
    x = 540,620,174.51/27,783.77
  6. Step 6: Final answer
    x = 19,458.13

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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.