Home / 28,875.88-39,811.66-23,682.70

Finding the Fourth Proportional to 28,875.88, 39,811.66 and 23,682.70

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Solution

The fourth proportional to 28,875.88, 39,811.66 and 23,682.70 is: 32,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.88 : 39,811.66 = 23,682.70 : x
  2. Step 2: Convert to fraction form
    28,875.88/39,811.66 = 23,682.70/x
  3. Step 3: Cross multiply
    28,875.88x = 39,811.66 × 23,682.70
  4. Step 4: Simplify right side
    28,875.88x = 942,847,600.28
  5. Step 5: Solve for x
    x = 942,847,600.28/28,875.88
  6. Step 6: Final answer
    x = 32,651.74

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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.