Home / 28,253.05-38,995.41-22,108.58

Finding the Fourth Proportional to 28,253.05, 38,995.41 and 22,108.58

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Solution

The fourth proportional to 28,253.05, 38,995.41 and 22,108.58 is: 30,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.05 : 38,995.41 = 22,108.58 : x
  2. Step 2: Convert to fraction form
    28,253.05/38,995.41 = 22,108.58/x
  3. Step 3: Cross multiply
    28,253.05x = 38,995.41 × 22,108.58
  4. Step 4: Simplify right side
    28,253.05x = 862,133,200.14
  5. Step 5: Solve for x
    x = 862,133,200.14/28,253.05
  6. Step 6: Final answer
    x = 30,514.69

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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.