Home / 27,670.40-38,184.97-15,733.73

Finding the Fourth Proportional to 27,670.40, 38,184.97 and 15,733.73

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Solution

The fourth proportional to 27,670.40, 38,184.97 and 15,733.73 is: 21,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.40 : 38,184.97 = 15,733.73 : x
  2. Step 2: Convert to fraction form
    27,670.40/38,184.97 = 15,733.73/x
  3. Step 3: Cross multiply
    27,670.40x = 38,184.97 × 15,733.73
  4. Step 4: Simplify right side
    27,670.40x = 600,792,064.17
  5. Step 5: Solve for x
    x = 600,792,064.17/27,670.40
  6. Step 6: Final answer
    x = 21,712.45

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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.