Home / 27,685.99-38,209.47-16,359.15

Finding the Fourth Proportional to 27,685.99, 38,209.47 and 16,359.15

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Solution

The fourth proportional to 27,685.99, 38,209.47 and 16,359.15 is: 22,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.99 : 38,209.47 = 16,359.15 : x
  2. Step 2: Convert to fraction form
    27,685.99/38,209.47 = 16,359.15/x
  3. Step 3: Cross multiply
    27,685.99x = 38,209.47 × 16,359.15
  4. Step 4: Simplify right side
    27,685.99x = 625,074,451.15
  5. Step 5: Solve for x
    x = 625,074,451.15/27,685.99
  6. Step 6: Final answer
    x = 22,577.28

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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.