Home / 28,040.08-38,682.12-16,703.12

Finding the Fourth Proportional to 28,040.08, 38,682.12 and 16,703.12

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Solution

The fourth proportional to 28,040.08, 38,682.12 and 16,703.12 is: 23,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.08 : 38,682.12 = 16,703.12 : x
  2. Step 2: Convert to fraction form
    28,040.08/38,682.12 = 16,703.12/x
  3. Step 3: Cross multiply
    28,040.08x = 38,682.12 × 16,703.12
  4. Step 4: Simplify right side
    28,040.08x = 646,112,092.21
  5. Step 5: Solve for x
    x = 646,112,092.21/28,040.08
  6. Step 6: Final answer
    x = 23,042.45

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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.