Home / 22,867.56-31,556.16-12,797.28

Finding the Fourth Proportional to 22,867.56, 31,556.16 and 12,797.28

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Solution

The fourth proportional to 22,867.56, 31,556.16 and 12,797.28 is: 17,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.56 : 31,556.16 = 12,797.28 : x
  2. Step 2: Convert to fraction form
    22,867.56/31,556.16 = 12,797.28/x
  3. Step 3: Cross multiply
    22,867.56x = 31,556.16 × 12,797.28
  4. Step 4: Simplify right side
    22,867.56x = 403,833,015.24
  5. Step 5: Solve for x
    x = 403,833,015.24/22,867.56
  6. Step 6: Final answer
    x = 17,659.65

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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.