Home / 27,934.73-38,544.39-15,670.53

Finding the Fourth Proportional to 27,934.73, 38,544.39 and 15,670.53

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Solution

The fourth proportional to 27,934.73, 38,544.39 and 15,670.53 is: 21,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.73 : 38,544.39 = 15,670.53 : x
  2. Step 2: Convert to fraction form
    27,934.73/38,544.39 = 15,670.53/x
  3. Step 3: Cross multiply
    27,934.73x = 38,544.39 × 15,670.53
  4. Step 4: Simplify right side
    27,934.73x = 604,011,019.83
  5. Step 5: Solve for x
    x = 604,011,019.83/27,934.73
  6. Step 6: Final answer
    x = 21,622.22

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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.