Home / 27,115.88-37,383.48-19,038.71

Finding the Fourth Proportional to 27,115.88, 37,383.48 and 19,038.71

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Solution

The fourth proportional to 27,115.88, 37,383.48 and 19,038.71 is: 26,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.88 : 37,383.48 = 19,038.71 : x
  2. Step 2: Convert to fraction form
    27,115.88/37,383.48 = 19,038.71/x
  3. Step 3: Cross multiply
    27,115.88x = 37,383.48 × 19,038.71
  4. Step 4: Simplify right side
    27,115.88x = 711,733,139.32
  5. Step 5: Solve for x
    x = 711,733,139.32/27,115.88
  6. Step 6: Final answer
    x = 26,247.83

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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.