Home / 28,431.53-39,232.84-27,476.10

Finding the Fourth Proportional to 28,431.53, 39,232.84 and 27,476.10

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Solution

The fourth proportional to 28,431.53, 39,232.84 and 27,476.10 is: 37,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.53 : 39,232.84 = 27,476.10 : x
  2. Step 2: Convert to fraction form
    28,431.53/39,232.84 = 27,476.10/x
  3. Step 3: Cross multiply
    28,431.53x = 39,232.84 × 27,476.10
  4. Step 4: Simplify right side
    28,431.53x = 1,077,965,435.12
  5. Step 5: Solve for x
    x = 1,077,965,435.12/28,431.53
  6. Step 6: Final answer
    x = 37,914.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.