Home / 28,010.15-38,645.73-16,673.93

Finding the Fourth Proportional to 28,010.15, 38,645.73 and 16,673.93

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Solution

The fourth proportional to 28,010.15, 38,645.73 and 16,673.93 is: 23,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.15 : 38,645.73 = 16,673.93 : x
  2. Step 2: Convert to fraction form
    28,010.15/38,645.73 = 16,673.93/x
  3. Step 3: Cross multiply
    28,010.15x = 38,645.73 × 16,673.93
  4. Step 4: Simplify right side
    28,010.15x = 644,376,003.59
  5. Step 5: Solve for x
    x = 644,376,003.59/28,010.15
  6. Step 6: Final answer
    x = 23,005.09

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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.