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Finding the Fourth Proportional to 27,457.67, 37,891.41 and 15,523.40

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Solution

The fourth proportional to 27,457.67, 37,891.41 and 15,523.40 is: 21,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.67 : 37,891.41 = 15,523.40 : x
  2. Step 2: Convert to fraction form
    27,457.67/37,891.41 = 15,523.40/x
  3. Step 3: Cross multiply
    27,457.67x = 37,891.41 × 15,523.40
  4. Step 4: Simplify right side
    27,457.67x = 588,203,513.99
  5. Step 5: Solve for x
    x = 588,203,513.99/27,457.67
  6. Step 6: Final answer
    x = 21,422.19

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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.