Home / 28,824.42-39,777.77-16,077.29

Finding the Fourth Proportional to 28,824.42, 39,777.77 and 16,077.29

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Solution

The fourth proportional to 28,824.42, 39,777.77 and 16,077.29 is: 22,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.42 : 39,777.77 = 16,077.29 : x
  2. Step 2: Convert to fraction form
    28,824.42/39,777.77 = 16,077.29/x
  3. Step 3: Cross multiply
    28,824.42x = 39,777.77 × 16,077.29
  4. Step 4: Simplify right side
    28,824.42x = 639,518,464.57
  5. Step 5: Solve for x
    x = 639,518,464.57/28,824.42
  6. Step 6: Final answer
    x = 22,186.69

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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.