Home / 28,649.34-39,536.46-15,902.82

Finding the Fourth Proportional to 28,649.34, 39,536.46 and 15,902.82

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Solution

The fourth proportional to 28,649.34, 39,536.46 and 15,902.82 is: 21,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.34 : 39,536.46 = 15,902.82 : x
  2. Step 2: Convert to fraction form
    28,649.34/39,536.46 = 15,902.82/x
  3. Step 3: Cross multiply
    28,649.34x = 39,536.46 × 15,902.82
  4. Step 4: Simplify right side
    28,649.34x = 628,741,206.82
  5. Step 5: Solve for x
    x = 628,741,206.82/28,649.34
  6. Step 6: Final answer
    x = 21,946.10

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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.