Home / 28,204.84-38,910.18-16,265.32

Finding the Fourth Proportional to 28,204.84, 38,910.18 and 16,265.32

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Solution

The fourth proportional to 28,204.84, 38,910.18 and 16,265.32 is: 22,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.84 : 38,910.18 = 16,265.32 : x
  2. Step 2: Convert to fraction form
    28,204.84/38,910.18 = 16,265.32/x
  3. Step 3: Cross multiply
    28,204.84x = 38,910.18 × 16,265.32
  4. Step 4: Simplify right side
    28,204.84x = 632,886,528.96
  5. Step 5: Solve for x
    x = 632,886,528.96/28,204.84
  6. Step 6: Final answer
    x = 22,438.93

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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.