Home / 28,245.02-42,342.35-10,727.15

Finding the Fourth Proportional to 28,245.02, 42,342.35 and 10,727.15

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Solution

The fourth proportional to 28,245.02, 42,342.35 and 10,727.15 is: 16,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.02 : 42,342.35 = 10,727.15 : x
  2. Step 2: Convert to fraction form
    28,245.02/42,342.35 = 10,727.15/x
  3. Step 3: Cross multiply
    28,245.02x = 42,342.35 × 10,727.15
  4. Step 4: Simplify right side
    28,245.02x = 454,212,528.09
  5. Step 5: Solve for x
    x = 454,212,528.09/28,245.02
  6. Step 6: Final answer
    x = 16,081.16

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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.