Home / 25,800.87-35,594.25-15,727.91

Finding the Fourth Proportional to 25,800.87, 35,594.25 and 15,727.91

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Solution

The fourth proportional to 25,800.87, 35,594.25 and 15,727.91 is: 21,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.87 : 35,594.25 = 15,727.91 : x
  2. Step 2: Convert to fraction form
    25,800.87/35,594.25 = 15,727.91/x
  3. Step 3: Cross multiply
    25,800.87x = 35,594.25 × 15,727.91
  4. Step 4: Simplify right side
    25,800.87x = 559,823,160.52
  5. Step 5: Solve for x
    x = 559,823,160.52/25,800.87
  6. Step 6: Final answer
    x = 21,697.84

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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.