Home / 28,793.21-43,196.63-9,071.70

Finding the Fourth Proportional to 28,793.21, 43,196.63 and 9,071.70

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Solution

The fourth proportional to 28,793.21, 43,196.63 and 9,071.70 is: 13,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.21 : 43,196.63 = 9,071.70 : x
  2. Step 2: Convert to fraction form
    28,793.21/43,196.63 = 9,071.70/x
  3. Step 3: Cross multiply
    28,793.21x = 43,196.63 × 9,071.70
  4. Step 4: Simplify right side
    28,793.21x = 391,866,823.01
  5. Step 5: Solve for x
    x = 391,866,823.01/28,793.21
  6. Step 6: Final answer
    x = 13,609.70

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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.