Home / 28,492.56-42,738.84-11,852.28

Finding the Fourth Proportional to 28,492.56, 42,738.84 and 11,852.28

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Solution

The fourth proportional to 28,492.56, 42,738.84 and 11,852.28 is: 17,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.56 : 42,738.84 = 11,852.28 : x
  2. Step 2: Convert to fraction form
    28,492.56/42,738.84 = 11,852.28/x
  3. Step 3: Cross multiply
    28,492.56x = 42,738.84 × 11,852.28
  4. Step 4: Simplify right side
    28,492.56x = 506,552,698.56
  5. Step 5: Solve for x
    x = 506,552,698.56/28,492.56
  6. Step 6: Final answer
    x = 17,778.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.