Home / 28,277.51-42,410.79-8,551.44

Finding the Fourth Proportional to 28,277.51, 42,410.79 and 8,551.44

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Solution

The fourth proportional to 28,277.51, 42,410.79 and 8,551.44 is: 12,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.51 : 42,410.79 = 8,551.44 : x
  2. Step 2: Convert to fraction form
    28,277.51/42,410.79 = 8,551.44/x
  3. Step 3: Cross multiply
    28,277.51x = 42,410.79 × 8,551.44
  4. Step 4: Simplify right side
    28,277.51x = 362,673,326.04
  5. Step 5: Solve for x
    x = 362,673,326.04/28,277.51
  6. Step 6: Final answer
    x = 12,825.51

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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.