Home / 27,585.12-38,071.44-15,651.48

Finding the Fourth Proportional to 27,585.12, 38,071.44 and 15,651.48

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Solution

The fourth proportional to 27,585.12, 38,071.44 and 15,651.48 is: 21,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.12 : 38,071.44 = 15,651.48 : x
  2. Step 2: Convert to fraction form
    27,585.12/38,071.44 = 15,651.48/x
  3. Step 3: Cross multiply
    27,585.12x = 38,071.44 × 15,651.48
  4. Step 4: Simplify right side
    27,585.12x = 595,874,381.73
  5. Step 5: Solve for x
    x = 595,874,381.73/27,585.12
  6. Step 6: Final answer
    x = 21,601.30

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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.