Home / 28,257.23-42,427.46-15,801.66

Finding the Fourth Proportional to 28,257.23, 42,427.46 and 15,801.66

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Solution

The fourth proportional to 28,257.23, 42,427.46 and 15,801.66 is: 23,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.23 : 42,427.46 = 15,801.66 : x
  2. Step 2: Convert to fraction form
    28,257.23/42,427.46 = 15,801.66/x
  3. Step 3: Cross multiply
    28,257.23x = 42,427.46 × 15,801.66
  4. Step 4: Simplify right side
    28,257.23x = 670,424,297.58
  5. Step 5: Solve for x
    x = 670,424,297.58/28,257.23
  6. Step 6: Final answer
    x = 23,725.76

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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.