Home / 28,006.36-38,646.96-16,676.68

Finding the Fourth Proportional to 28,006.36, 38,646.96 and 16,676.68

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Solution

The fourth proportional to 28,006.36, 38,646.96 and 16,676.68 is: 23,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.36 : 38,646.96 = 16,676.68 : x
  2. Step 2: Convert to fraction form
    28,006.36/38,646.96 = 16,676.68/x
  3. Step 3: Cross multiply
    28,006.36x = 38,646.96 × 16,676.68
  4. Step 4: Simplify right side
    28,006.36x = 644,502,984.89
  5. Step 5: Solve for x
    x = 644,502,984.89/28,006.36
  6. Step 6: Final answer
    x = 23,012.74

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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.