Home / 28,777.48-39,713.72-16,202.68

Finding the Fourth Proportional to 28,777.48, 39,713.72 and 16,202.68

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Solution

The fourth proportional to 28,777.48, 39,713.72 and 16,202.68 is: 22,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.48 : 39,713.72 = 16,202.68 : x
  2. Step 2: Convert to fraction form
    28,777.48/39,713.72 = 16,202.68/x
  3. Step 3: Cross multiply
    28,777.48x = 39,713.72 × 16,202.68
  4. Step 4: Simplify right side
    28,777.48x = 643,468,696.77
  5. Step 5: Solve for x
    x = 643,468,696.77/28,777.48
  6. Step 6: Final answer
    x = 22,360.15

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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.