Home / 27,403.76-37,971.80-26,791.40

Finding the Fourth Proportional to 27,403.76, 37,971.80 and 26,791.40

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Solution

The fourth proportional to 27,403.76, 37,971.80 and 26,791.40 is: 37,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.76 : 37,971.80 = 26,791.40 : x
  2. Step 2: Convert to fraction form
    27,403.76/37,971.80 = 26,791.40/x
  3. Step 3: Cross multiply
    27,403.76x = 37,971.80 × 26,791.40
  4. Step 4: Simplify right side
    27,403.76x = 1,017,317,682.52
  5. Step 5: Solve for x
    x = 1,017,317,682.52/27,403.76
  6. Step 6: Final answer
    x = 37,123.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.