Home / 28,186.28-38,852.34-22,208.84

Finding the Fourth Proportional to 28,186.28, 38,852.34 and 22,208.84

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Solution

The fourth proportional to 28,186.28, 38,852.34 and 22,208.84 is: 30,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.28 : 38,852.34 = 22,208.84 : x
  2. Step 2: Convert to fraction form
    28,186.28/38,852.34 = 22,208.84/x
  3. Step 3: Cross multiply
    28,186.28x = 38,852.34 × 22,208.84
  4. Step 4: Simplify right side
    28,186.28x = 862,865,402.69
  5. Step 5: Solve for x
    x = 862,865,402.69/28,186.28
  6. Step 6: Final answer
    x = 30,612.96

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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.