Home / 27,642.07-38,145.97-15,066.82

Finding the Fourth Proportional to 27,642.07, 38,145.97 and 15,066.82

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Solution

The fourth proportional to 27,642.07, 38,145.97 and 15,066.82 is: 20,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.07 : 38,145.97 = 15,066.82 : x
  2. Step 2: Convert to fraction form
    27,642.07/38,145.97 = 15,066.82/x
  3. Step 3: Cross multiply
    27,642.07x = 38,145.97 × 15,066.82
  4. Step 4: Simplify right side
    27,642.07x = 574,738,463.72
  5. Step 5: Solve for x
    x = 574,738,463.72/27,642.07
  6. Step 6: Final answer
    x = 20,792.16

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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.