Home / 28,063.49-42,081.15-9,336.92

Finding the Fourth Proportional to 28,063.49, 42,081.15 and 9,336.92

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Solution

The fourth proportional to 28,063.49, 42,081.15 and 9,336.92 is: 14,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.49 : 42,081.15 = 9,336.92 : x
  2. Step 2: Convert to fraction form
    28,063.49/42,081.15 = 9,336.92/x
  3. Step 3: Cross multiply
    28,063.49x = 42,081.15 × 9,336.92
  4. Step 4: Simplify right side
    28,063.49x = 392,908,331.06
  5. Step 5: Solve for x
    x = 392,908,331.06/28,063.49
  6. Step 6: Final answer
    x = 14,000.69

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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.