Home / 27,888.26-38,485.59-15,141.14

Finding the Fourth Proportional to 27,888.26, 38,485.59 and 15,141.14

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Solution

The fourth proportional to 27,888.26, 38,485.59 and 15,141.14 is: 20,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.26 : 38,485.59 = 15,141.14 : x
  2. Step 2: Convert to fraction form
    27,888.26/38,485.59 = 15,141.14/x
  3. Step 3: Cross multiply
    27,888.26x = 38,485.59 × 15,141.14
  4. Step 4: Simplify right side
    27,888.26x = 582,715,706.17
  5. Step 5: Solve for x
    x = 582,715,706.17/27,888.26
  6. Step 6: Final answer
    x = 20,894.66

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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.