Home / 27,776.01-38,330.73-15,029.16

Finding the Fourth Proportional to 27,776.01, 38,330.73 and 15,029.16

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Solution

The fourth proportional to 27,776.01, 38,330.73 and 15,029.16 is: 20,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.01 : 38,330.73 = 15,029.16 : x
  2. Step 2: Convert to fraction form
    27,776.01/38,330.73 = 15,029.16/x
  3. Step 3: Cross multiply
    27,776.01x = 38,330.73 × 15,029.16
  4. Step 4: Simplify right side
    27,776.01x = 576,078,674.09
  5. Step 5: Solve for x
    x = 576,078,674.09/27,776.01
  6. Step 6: Final answer
    x = 20,740.15

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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.