Home / 28,070.16-38,736.54-16,137.24

Finding the Fourth Proportional to 28,070.16, 38,736.54 and 16,137.24

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Solution

The fourth proportional to 28,070.16, 38,736.54 and 16,137.24 is: 22,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.16 : 38,736.54 = 16,137.24 : x
  2. Step 2: Convert to fraction form
    28,070.16/38,736.54 = 16,137.24/x
  3. Step 3: Cross multiply
    28,070.16x = 38,736.54 × 16,137.24
  4. Step 4: Simplify right side
    28,070.16x = 625,100,842.75
  5. Step 5: Solve for x
    x = 625,100,842.75/28,070.16
  6. Step 6: Final answer
    x = 22,269.23

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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.