Home / 27,477.72-37,918.80-16,718.94

Finding the Fourth Proportional to 27,477.72, 37,918.80 and 16,718.94

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Solution

The fourth proportional to 27,477.72, 37,918.80 and 16,718.94 is: 23,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.72 : 37,918.80 = 16,718.94 : x
  2. Step 2: Convert to fraction form
    27,477.72/37,918.80 = 16,718.94/x
  3. Step 3: Cross multiply
    27,477.72x = 37,918.80 × 16,718.94
  4. Step 4: Simplify right side
    27,477.72x = 633,962,142.07
  5. Step 5: Solve for x
    x = 633,962,142.07/27,477.72
  6. Step 6: Final answer
    x = 23,071.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.