Home / 19,521.76-26,939.53-10,908.01

Finding the Fourth Proportional to 19,521.76, 26,939.53 and 10,908.01

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Solution

The fourth proportional to 19,521.76, 26,939.53 and 10,908.01 is: 15,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.76 : 26,939.53 = 10,908.01 : x
  2. Step 2: Convert to fraction form
    19,521.76/26,939.53 = 10,908.01/x
  3. Step 3: Cross multiply
    19,521.76x = 26,939.53 × 10,908.01
  4. Step 4: Simplify right side
    19,521.76x = 293,856,662.64
  5. Step 5: Solve for x
    x = 293,856,662.64/19,521.76
  6. Step 6: Final answer
    x = 15,052.78

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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.