Home / 28,465.68-39,284.16-16,532.76

Finding the Fourth Proportional to 28,465.68, 39,284.16 and 16,532.76

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Solution

The fourth proportional to 28,465.68, 39,284.16 and 16,532.76 is: 22,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.68 : 39,284.16 = 16,532.76 : x
  2. Step 2: Convert to fraction form
    28,465.68/39,284.16 = 16,532.76/x
  3. Step 3: Cross multiply
    28,465.68x = 39,284.16 × 16,532.76
  4. Step 4: Simplify right side
    28,465.68x = 649,475,589.08
  5. Step 5: Solve for x
    x = 649,475,589.08/28,465.68
  6. Step 6: Final answer
    x = 22,816.09

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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.