Home / 19,819.26-27,340.47-15,095.34

Finding the Fourth Proportional to 19,819.26, 27,340.47 and 15,095.34

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Solution

The fourth proportional to 19,819.26, 27,340.47 and 15,095.34 is: 20,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.26 : 27,340.47 = 15,095.34 : x
  2. Step 2: Convert to fraction form
    19,819.26/27,340.47 = 15,095.34/x
  3. Step 3: Cross multiply
    19,819.26x = 27,340.47 × 15,095.34
  4. Step 4: Simplify right side
    19,819.26x = 412,713,690.41
  5. Step 5: Solve for x
    x = 412,713,690.41/19,819.26
  6. Step 6: Final answer
    x = 20,823.87

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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.