Home / 28,206.68-42,299.09-15,051.88

Finding the Fourth Proportional to 28,206.68, 42,299.09 and 15,051.88

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Solution

The fourth proportional to 28,206.68, 42,299.09 and 15,051.88 is: 22,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.68 : 42,299.09 = 15,051.88 : x
  2. Step 2: Convert to fraction form
    28,206.68/42,299.09 = 15,051.88/x
  3. Step 3: Cross multiply
    28,206.68x = 42,299.09 × 15,051.88
  4. Step 4: Simplify right side
    28,206.68x = 636,680,702.23
  5. Step 5: Solve for x
    x = 636,680,702.23/28,206.68
  6. Step 6: Final answer
    x = 22,571.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.