Home / 19,002.78-26,231.07-17,009.70

Finding the Fourth Proportional to 19,002.78, 26,231.07 and 17,009.70

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Solution

The fourth proportional to 19,002.78, 26,231.07 and 17,009.70 is: 23,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.78 : 26,231.07 = 17,009.70 : x
  2. Step 2: Convert to fraction form
    19,002.78/26,231.07 = 17,009.70/x
  3. Step 3: Cross multiply
    19,002.78x = 26,231.07 × 17,009.70
  4. Step 4: Simplify right side
    19,002.78x = 446,182,631.38
  5. Step 5: Solve for x
    x = 446,182,631.38/19,002.78
  6. Step 6: Final answer
    x = 23,479.86

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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.