Home / 28,047.25-38,710.17-16,723.28

Finding the Fourth Proportional to 28,047.25, 38,710.17 and 16,723.28

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Solution

The fourth proportional to 28,047.25, 38,710.17 and 16,723.28 is: 23,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.25 : 38,710.17 = 16,723.28 : x
  2. Step 2: Convert to fraction form
    28,047.25/38,710.17 = 16,723.28/x
  3. Step 3: Cross multiply
    28,047.25x = 38,710.17 × 16,723.28
  4. Step 4: Simplify right side
    28,047.25x = 647,360,928.14
  5. Step 5: Solve for x
    x = 647,360,928.14/28,047.25
  6. Step 6: Final answer
    x = 23,081.08

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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.