Home / 27,628.91-38,127.90-15,053.66

Finding the Fourth Proportional to 27,628.91, 38,127.90 and 15,053.66

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Solution

The fourth proportional to 27,628.91, 38,127.90 and 15,053.66 is: 20,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.91 : 38,127.90 = 15,053.66 : x
  2. Step 2: Convert to fraction form
    27,628.91/38,127.90 = 15,053.66/x
  3. Step 3: Cross multiply
    27,628.91x = 38,127.90 × 15,053.66
  4. Step 4: Simplify right side
    27,628.91x = 573,964,389.09
  5. Step 5: Solve for x
    x = 573,964,389.09/27,628.91
  6. Step 6: Final answer
    x = 20,774.05

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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.