Home / 27,457.45-37,893.22-15,520.88

Finding the Fourth Proportional to 27,457.45, 37,893.22 and 15,520.88

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Solution

The fourth proportional to 27,457.45, 37,893.22 and 15,520.88 is: 21,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.45 : 37,893.22 = 15,520.88 : x
  2. Step 2: Convert to fraction form
    27,457.45/37,893.22 = 15,520.88/x
  3. Step 3: Cross multiply
    27,457.45x = 37,893.22 × 15,520.88
  4. Step 4: Simplify right side
    27,457.45x = 588,136,176.36
  5. Step 5: Solve for x
    x = 588,136,176.36/27,457.45
  6. Step 6: Final answer
    x = 21,419.91

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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.