Home / 28,480.76-42,730.68-16,025.08

Finding the Fourth Proportional to 28,480.76, 42,730.68 and 16,025.08

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Solution

The fourth proportional to 28,480.76, 42,730.68 and 16,025.08 is: 24,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.76 : 42,730.68 = 16,025.08 : x
  2. Step 2: Convert to fraction form
    28,480.76/42,730.68 = 16,025.08/x
  3. Step 3: Cross multiply
    28,480.76x = 42,730.68 × 16,025.08
  4. Step 4: Simplify right side
    28,480.76x = 684,762,565.45
  5. Step 5: Solve for x
    x = 684,762,565.45/28,480.76
  6. Step 6: Final answer
    x = 24,042.99

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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.