Home / 27,868.54-38,457.40-15,292.48

Finding the Fourth Proportional to 27,868.54, 38,457.40 and 15,292.48

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Solution

The fourth proportional to 27,868.54, 38,457.40 and 15,292.48 is: 21,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.54 : 38,457.40 = 15,292.48 : x
  2. Step 2: Convert to fraction form
    27,868.54/38,457.40 = 15,292.48/x
  3. Step 3: Cross multiply
    27,868.54x = 38,457.40 × 15,292.48
  4. Step 4: Simplify right side
    27,868.54x = 588,109,020.35
  5. Step 5: Solve for x
    x = 588,109,020.35/27,868.54
  6. Step 6: Final answer
    x = 21,102.97

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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.