Home / 28,232.25-42,352.40-9,252.82

Finding the Fourth Proportional to 28,232.25, 42,352.40 and 9,252.82

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Solution

The fourth proportional to 28,232.25, 42,352.40 and 9,252.82 is: 13,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.25 : 42,352.40 = 9,252.82 : x
  2. Step 2: Convert to fraction form
    28,232.25/42,352.40 = 9,252.82/x
  3. Step 3: Cross multiply
    28,232.25x = 42,352.40 × 9,252.82
  4. Step 4: Simplify right side
    28,232.25x = 391,879,133.77
  5. Step 5: Solve for x
    x = 391,879,133.77/28,232.25
  6. Step 6: Final answer
    x = 13,880.55

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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.