Home / 27,457.45-37,893.63-15,522.91

Finding the Fourth Proportional to 27,457.45, 37,893.63 and 15,522.91

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Solution

The fourth proportional to 27,457.45, 37,893.63 and 15,522.91 is: 21,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.45 : 37,893.63 = 15,522.91 : x
  2. Step 2: Convert to fraction form
    27,457.45/37,893.63 = 15,522.91/x
  3. Step 3: Cross multiply
    27,457.45x = 37,893.63 × 15,522.91
  4. Step 4: Simplify right side
    27,457.45x = 588,219,408.06
  5. Step 5: Solve for x
    x = 588,219,408.06/27,457.45
  6. Step 6: Final answer
    x = 21,422.94

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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.