Home / 28,207.24-38,926.26-15,633.16

Finding the Fourth Proportional to 28,207.24, 38,926.26 and 15,633.16

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Solution

The fourth proportional to 28,207.24, 38,926.26 and 15,633.16 is: 21,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.24 : 38,926.26 = 15,633.16 : x
  2. Step 2: Convert to fraction form
    28,207.24/38,926.26 = 15,633.16/x
  3. Step 3: Cross multiply
    28,207.24x = 38,926.26 × 15,633.16
  4. Step 4: Simplify right side
    28,207.24x = 608,540,450.78
  5. Step 5: Solve for x
    x = 608,540,450.78/28,207.24
  6. Step 6: Final answer
    x = 21,573.91

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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.