Home / 28,026.69-38,676.87-15,451.44

Finding the Fourth Proportional to 28,026.69, 38,676.87 and 15,451.44

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Solution

The fourth proportional to 28,026.69, 38,676.87 and 15,451.44 is: 21,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.69 : 38,676.87 = 15,451.44 : x
  2. Step 2: Convert to fraction form
    28,026.69/38,676.87 = 15,451.44/x
  3. Step 3: Cross multiply
    28,026.69x = 38,676.87 × 15,451.44
  4. Step 4: Simplify right side
    28,026.69x = 597,613,336.19
  5. Step 5: Solve for x
    x = 597,613,336.19/28,026.69
  6. Step 6: Final answer
    x = 21,323.01

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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.