Home / 28,947.24-43,420.84-8,170.74

Finding the Fourth Proportional to 28,947.24, 43,420.84 and 8,170.74

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Solution

The fourth proportional to 28,947.24, 43,420.84 and 8,170.74 is: 12,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.24 : 43,420.84 = 8,170.74 : x
  2. Step 2: Convert to fraction form
    28,947.24/43,420.84 = 8,170.74/x
  3. Step 3: Cross multiply
    28,947.24x = 43,420.84 × 8,170.74
  4. Step 4: Simplify right side
    28,947.24x = 354,780,373.79
  5. Step 5: Solve for x
    x = 354,780,373.79/28,947.24
  6. Step 6: Final answer
    x = 12,256.10

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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.