Home / 27,760.04-38,309.84-15,823.08

Finding the Fourth Proportional to 27,760.04, 38,309.84 and 15,823.08

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Solution

The fourth proportional to 27,760.04, 38,309.84 and 15,823.08 is: 21,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.04 : 38,309.84 = 15,823.08 : x
  2. Step 2: Convert to fraction form
    27,760.04/38,309.84 = 15,823.08/x
  3. Step 3: Cross multiply
    27,760.04x = 38,309.84 × 15,823.08
  4. Step 4: Simplify right side
    27,760.04x = 606,179,663.11
  5. Step 5: Solve for x
    x = 606,179,663.11/27,760.04
  6. Step 6: Final answer
    x = 21,836.41

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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.