Home / 28,342.71-42,455.73-16,627.68

Finding the Fourth Proportional to 28,342.71, 42,455.73 and 16,627.68

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Solution

The fourth proportional to 28,342.71, 42,455.73 and 16,627.68 is: 24,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342.71 : 42,455.73 = 16,627.68 : x
  2. Step 2: Convert to fraction form
    28,342.71/42,455.73 = 16,627.68/x
  3. Step 3: Cross multiply
    28,342.71x = 42,455.73 × 16,627.68
  4. Step 4: Simplify right side
    28,342.71x = 705,940,292.61
  5. Step 5: Solve for x
    x = 705,940,292.61/28,342.71
  6. Step 6: Final answer
    x = 24,907.30

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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.