Home / 19,261.74-28,882.62-13,021.50

Finding the Fourth Proportional to 19,261.74, 28,882.62 and 13,021.50

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Solution

The fourth proportional to 19,261.74, 28,882.62 and 13,021.50 is: 19,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.74 : 28,882.62 = 13,021.50 : x
  2. Step 2: Convert to fraction form
    19,261.74/28,882.62 = 13,021.50/x
  3. Step 3: Cross multiply
    19,261.74x = 28,882.62 × 13,021.50
  4. Step 4: Simplify right side
    19,261.74x = 376,095,036.33
  5. Step 5: Solve for x
    x = 376,095,036.33/19,261.74
  6. Step 6: Final answer
    x = 19,525.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.