Home / 28,555.06-42,837.81-8,832.28

Finding the Fourth Proportional to 28,555.06, 42,837.81 and 8,832.28

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Solution

The fourth proportional to 28,555.06, 42,837.81 and 8,832.28 is: 13,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.06 : 42,837.81 = 8,832.28 : x
  2. Step 2: Convert to fraction form
    28,555.06/42,837.81 = 8,832.28/x
  3. Step 3: Cross multiply
    28,555.06x = 42,837.81 × 8,832.28
  4. Step 4: Simplify right side
    28,555.06x = 378,355,532.51
  5. Step 5: Solve for x
    x = 378,355,532.51/28,555.06
  6. Step 6: Final answer
    x = 13,250.03

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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.