Home / 27,797.81-38,345.42-16,456.24

Finding the Fourth Proportional to 27,797.81, 38,345.42 and 16,456.24

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Solution

The fourth proportional to 27,797.81, 38,345.42 and 16,456.24 is: 22,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.81 : 38,345.42 = 16,456.24 : x
  2. Step 2: Convert to fraction form
    27,797.81/38,345.42 = 16,456.24/x
  3. Step 3: Cross multiply
    27,797.81x = 38,345.42 × 16,456.24
  4. Step 4: Simplify right side
    27,797.81x = 631,021,352.14
  5. Step 5: Solve for x
    x = 631,021,352.14/27,797.81
  6. Step 6: Final answer
    x = 22,700.40

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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.