Home / 27,908.37-38,514.15-17,159.40

Finding the Fourth Proportional to 27,908.37, 38,514.15 and 17,159.40

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Solution

The fourth proportional to 27,908.37, 38,514.15 and 17,159.40 is: 23,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.37 : 38,514.15 = 17,159.40 : x
  2. Step 2: Convert to fraction form
    27,908.37/38,514.15 = 17,159.40/x
  3. Step 3: Cross multiply
    27,908.37x = 38,514.15 × 17,159.40
  4. Step 4: Simplify right side
    27,908.37x = 660,879,705.51
  5. Step 5: Solve for x
    x = 660,879,705.51/27,908.37
  6. Step 6: Final answer
    x = 23,680.34

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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.