Home / 28,295.87-42,444.20-10,766.66

Finding the Fourth Proportional to 28,295.87, 42,444.20 and 10,766.66

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Solution

The fourth proportional to 28,295.87, 42,444.20 and 10,766.66 is: 16,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.87 : 42,444.20 = 10,766.66 : x
  2. Step 2: Convert to fraction form
    28,295.87/42,444.20 = 10,766.66/x
  3. Step 3: Cross multiply
    28,295.87x = 42,444.20 × 10,766.66
  4. Step 4: Simplify right side
    28,295.87x = 456,982,085.07
  5. Step 5: Solve for x
    x = 456,982,085.07/28,295.87
  6. Step 6: Final answer
    x = 16,150.14

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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.