Home / 27,873.77-38,467.70-15,774.26

Finding the Fourth Proportional to 27,873.77, 38,467.70 and 15,774.26

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Solution

The fourth proportional to 27,873.77, 38,467.70 and 15,774.26 is: 21,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.77 : 38,467.70 = 15,774.26 : x
  2. Step 2: Convert to fraction form
    27,873.77/38,467.70 = 15,774.26/x
  3. Step 3: Cross multiply
    27,873.77x = 38,467.70 × 15,774.26
  4. Step 4: Simplify right side
    27,873.77x = 606,799,326.36
  5. Step 5: Solve for x
    x = 606,799,326.36/27,873.77
  6. Step 6: Final answer
    x = 21,769.55

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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.