Home / 27,108.53-37,421.58-19,457.27

Finding the Fourth Proportional to 27,108.53, 37,421.58 and 19,457.27

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Solution

The fourth proportional to 27,108.53, 37,421.58 and 19,457.27 is: 26,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.53 : 37,421.58 = 19,457.27 : x
  2. Step 2: Convert to fraction form
    27,108.53/37,421.58 = 19,457.27/x
  3. Step 3: Cross multiply
    27,108.53x = 37,421.58 × 19,457.27
  4. Step 4: Simplify right side
    27,108.53x = 728,121,785.89
  5. Step 5: Solve for x
    x = 728,121,785.89/27,108.53
  6. Step 6: Final answer
    x = 26,859.51

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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.