Home / 27,895.68-38,498.40-15,323.04

Finding the Fourth Proportional to 27,895.68, 38,498.40 and 15,323.04

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Solution

The fourth proportional to 27,895.68, 38,498.40 and 15,323.04 is: 21,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.68 : 38,498.40 = 15,323.04 : x
  2. Step 2: Convert to fraction form
    27,895.68/38,498.40 = 15,323.04/x
  3. Step 3: Cross multiply
    27,895.68x = 38,498.40 × 15,323.04
  4. Step 4: Simplify right side
    27,895.68x = 589,912,523.14
  5. Step 5: Solve for x
    x = 589,912,523.14/27,895.68
  6. Step 6: Final answer
    x = 21,147.09

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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.