Home / 28,752.94-39,668.16-17,418.30

Finding the Fourth Proportional to 28,752.94, 39,668.16 and 17,418.30

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Solution

The fourth proportional to 28,752.94, 39,668.16 and 17,418.30 is: 24,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.94 : 39,668.16 = 17,418.30 : x
  2. Step 2: Convert to fraction form
    28,752.94/39,668.16 = 17,418.30/x
  3. Step 3: Cross multiply
    28,752.94x = 39,668.16 × 17,418.30
  4. Step 4: Simplify right side
    28,752.94x = 690,952,062.42
  5. Step 5: Solve for x
    x = 690,952,062.42/28,752.94
  6. Step 6: Final answer
    x = 24,030.66

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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.