Home / 28,947.48-43,421.22-8,170.98

Finding the Fourth Proportional to 28,947.48, 43,421.22 and 8,170.98

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Solution

The fourth proportional to 28,947.48, 43,421.22 and 8,170.98 is: 12,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.48 : 43,421.22 = 8,170.98 : x
  2. Step 2: Convert to fraction form
    28,947.48/43,421.22 = 8,170.98/x
  3. Step 3: Cross multiply
    28,947.48x = 43,421.22 × 8,170.98
  4. Step 4: Simplify right side
    28,947.48x = 354,793,920.20
  5. Step 5: Solve for x
    x = 354,793,920.20/28,947.48
  6. Step 6: Final answer
    x = 12,256.47

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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.