Home / 27,317.03-37,708.09-21,350.63

Finding the Fourth Proportional to 27,317.03, 37,708.09 and 21,350.63

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Solution

The fourth proportional to 27,317.03, 37,708.09 and 21,350.63 is: 29,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.03 : 37,708.09 = 21,350.63 : x
  2. Step 2: Convert to fraction form
    27,317.03/37,708.09 = 21,350.63/x
  3. Step 3: Cross multiply
    27,317.03x = 37,708.09 × 21,350.63
  4. Step 4: Simplify right side
    27,317.03x = 805,091,518.49
  5. Step 5: Solve for x
    x = 805,091,518.49/27,317.03
  6. Step 6: Final answer
    x = 29,472.15

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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.