Home / 23,016.28-31,774.32-13,587.88

Finding the Fourth Proportional to 23,016.28, 31,774.32 and 13,587.88

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Solution

The fourth proportional to 23,016.28, 31,774.32 and 13,587.88 is: 18,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,016.28 : 31,774.32 = 13,587.88 : x
  2. Step 2: Convert to fraction form
    23,016.28/31,774.32 = 13,587.88/x
  3. Step 3: Cross multiply
    23,016.28x = 31,774.32 × 13,587.88
  4. Step 4: Simplify right side
    23,016.28x = 431,745,647.24
  5. Step 5: Solve for x
    x = 431,745,647.24/23,016.28
  6. Step 6: Final answer
    x = 18,758.27

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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.