Home / 28,998.06-40,014.88-16,077.68

Finding the Fourth Proportional to 28,998.06, 40,014.88 and 16,077.68

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Solution

The fourth proportional to 28,998.06, 40,014.88 and 16,077.68 is: 22,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.06 : 40,014.88 = 16,077.68 : x
  2. Step 2: Convert to fraction form
    28,998.06/40,014.88 = 16,077.68/x
  3. Step 3: Cross multiply
    28,998.06x = 40,014.88 × 16,077.68
  4. Step 4: Simplify right side
    28,998.06x = 643,346,435.88
  5. Step 5: Solve for x
    x = 643,346,435.88/28,998.06
  6. Step 6: Final answer
    x = 22,185.84

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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.