Home / 27,927.92-38,540.08-15,352.40

Finding the Fourth Proportional to 27,927.92, 38,540.08 and 15,352.40

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Solution

The fourth proportional to 27,927.92, 38,540.08 and 15,352.40 is: 21,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.92 : 38,540.08 = 15,352.40 : x
  2. Step 2: Convert to fraction form
    27,927.92/38,540.08 = 15,352.40/x
  3. Step 3: Cross multiply
    27,927.92x = 38,540.08 × 15,352.40
  4. Step 4: Simplify right side
    27,927.92x = 591,682,724.19
  5. Step 5: Solve for x
    x = 591,682,724.19/27,927.92
  6. Step 6: Final answer
    x = 21,186.06

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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.