Home / 28,050.48-42,080.68-9,578.16

Finding the Fourth Proportional to 28,050.48, 42,080.68 and 9,578.16

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Solution

The fourth proportional to 28,050.48, 42,080.68 and 9,578.16 is: 14,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.48 : 42,080.68 = 9,578.16 : x
  2. Step 2: Convert to fraction form
    28,050.48/42,080.68 = 9,578.16/x
  3. Step 3: Cross multiply
    28,050.48x = 42,080.68 × 9,578.16
  4. Step 4: Simplify right side
    28,050.48x = 403,055,485.95
  5. Step 5: Solve for x
    x = 403,055,485.95/28,050.48
  6. Step 6: Final answer
    x = 14,368.93

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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.