Home / 28,432.24-39,194.95-19,907.49

Finding the Fourth Proportional to 28,432.24, 39,194.95 and 19,907.49

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Solution

The fourth proportional to 28,432.24, 39,194.95 and 19,907.49 is: 27,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.24 : 39,194.95 = 19,907.49 : x
  2. Step 2: Convert to fraction form
    28,432.24/39,194.95 = 19,907.49/x
  3. Step 3: Cross multiply
    28,432.24x = 39,194.95 × 19,907.49
  4. Step 4: Simplify right side
    28,432.24x = 780,273,075.18
  5. Step 5: Solve for x
    x = 780,273,075.18/28,432.24
  6. Step 6: Final answer
    x = 27,443.25

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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.