Home / 28,908.18-39,892.77-16,332.66

Finding the Fourth Proportional to 28,908.18, 39,892.77 and 16,332.66

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Solution

The fourth proportional to 28,908.18, 39,892.77 and 16,332.66 is: 22,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.18 : 39,892.77 = 16,332.66 : x
  2. Step 2: Convert to fraction form
    28,908.18/39,892.77 = 16,332.66/x
  3. Step 3: Cross multiply
    28,908.18x = 39,892.77 × 16,332.66
  4. Step 4: Simplify right side
    28,908.18x = 651,555,048.87
  5. Step 5: Solve for x
    x = 651,555,048.87/28,908.18
  6. Step 6: Final answer
    x = 22,538.78

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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.