Home / 27,732.99-38,271.54-15,797.45

Finding the Fourth Proportional to 27,732.99, 38,271.54 and 15,797.45

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Solution

The fourth proportional to 27,732.99, 38,271.54 and 15,797.45 is: 21,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.99 : 38,271.54 = 15,797.45 : x
  2. Step 2: Convert to fraction form
    27,732.99/38,271.54 = 15,797.45/x
  3. Step 3: Cross multiply
    27,732.99x = 38,271.54 × 15,797.45
  4. Step 4: Simplify right side
    27,732.99x = 604,592,548.22
  5. Step 5: Solve for x
    x = 604,592,548.22/27,732.99
  6. Step 6: Final answer
    x = 21,800.48

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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.