Home / 28,212.93-42,349.16-27,577.49

Finding the Fourth Proportional to 28,212.93, 42,349.16 and 27,577.49

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Solution

The fourth proportional to 28,212.93, 42,349.16 and 27,577.49 is: 41,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.93 : 42,349.16 = 27,577.49 : x
  2. Step 2: Convert to fraction form
    28,212.93/42,349.16 = 27,577.49/x
  3. Step 3: Cross multiply
    28,212.93x = 42,349.16 × 27,577.49
  4. Step 4: Simplify right side
    28,212.93x = 1,167,883,393.61
  5. Step 5: Solve for x
    x = 1,167,883,393.61/28,212.93
  6. Step 6: Final answer
    x = 41,395.32

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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.