Home / 19,051.91-28,588.67-10,286.63

Finding the Fourth Proportional to 19,051.91, 28,588.67 and 10,286.63

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Solution

The fourth proportional to 19,051.91, 28,588.67 and 10,286.63 is: 15,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.91 : 28,588.67 = 10,286.63 : x
  2. Step 2: Convert to fraction form
    19,051.91/28,588.67 = 10,286.63/x
  3. Step 3: Cross multiply
    19,051.91x = 28,588.67 × 10,286.63
  4. Step 4: Simplify right side
    19,051.91x = 294,081,070.48
  5. Step 5: Solve for x
    x = 294,081,070.48/19,051.91
  6. Step 6: Final answer
    x = 15,435.78

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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.