Home / 20,228.16-27,914.58-11,275.50

Finding the Fourth Proportional to 20,228.16, 27,914.58 and 11,275.50

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Solution

The fourth proportional to 20,228.16, 27,914.58 and 11,275.50 is: 15,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.16 : 27,914.58 = 11,275.50 : x
  2. Step 2: Convert to fraction form
    20,228.16/27,914.58 = 11,275.50/x
  3. Step 3: Cross multiply
    20,228.16x = 27,914.58 × 11,275.50
  4. Step 4: Simplify right side
    20,228.16x = 314,750,846.79
  5. Step 5: Solve for x
    x = 314,750,846.79/20,228.16
  6. Step 6: Final answer
    x = 15,560.03

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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.