Home / 27,694.76-38,218.55-15,119.51

Finding the Fourth Proportional to 27,694.76, 38,218.55 and 15,119.51

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Solution

The fourth proportional to 27,694.76, 38,218.55 and 15,119.51 is: 20,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.76 : 38,218.55 = 15,119.51 : x
  2. Step 2: Convert to fraction form
    27,694.76/38,218.55 = 15,119.51/x
  3. Step 3: Cross multiply
    27,694.76x = 38,218.55 × 15,119.51
  4. Step 4: Simplify right side
    27,694.76x = 577,845,482.22
  5. Step 5: Solve for x
    x = 577,845,482.22/27,694.76
  6. Step 6: Final answer
    x = 20,864.80

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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.