Home / 28,070.66-38,736.14-16,131.26

Finding the Fourth Proportional to 28,070.66, 38,736.14 and 16,131.26

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Solution

The fourth proportional to 28,070.66, 38,736.14 and 16,131.26 is: 22,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.66 : 38,736.14 = 16,131.26 : x
  2. Step 2: Convert to fraction form
    28,070.66/38,736.14 = 16,131.26/x
  3. Step 3: Cross multiply
    28,070.66x = 38,736.14 × 16,131.26
  4. Step 4: Simplify right side
    28,070.66x = 624,862,745.74
  5. Step 5: Solve for x
    x = 624,862,745.74/28,070.66
  6. Step 6: Final answer
    x = 22,260.35

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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.