Home / 27,935.11-38,544.94-15,670.93

Finding the Fourth Proportional to 27,935.11, 38,544.94 and 15,670.93

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Solution

The fourth proportional to 27,935.11, 38,544.94 and 15,670.93 is: 21,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.11 : 38,544.94 = 15,670.93 : x
  2. Step 2: Convert to fraction form
    27,935.11/38,544.94 = 15,670.93/x
  3. Step 3: Cross multiply
    27,935.11x = 38,544.94 × 15,670.93
  4. Step 4: Simplify right side
    27,935.11x = 604,034,785.51
  5. Step 5: Solve for x
    x = 604,034,785.51/27,935.11
  6. Step 6: Final answer
    x = 21,622.78

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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.