Home / 28,883.10-43,324.65-12,240.30

Finding the Fourth Proportional to 28,883.10, 43,324.65 and 12,240.30

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Solution

The fourth proportional to 28,883.10, 43,324.65 and 12,240.30 is: 18,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.10 : 43,324.65 = 12,240.30 : x
  2. Step 2: Convert to fraction form
    28,883.10/43,324.65 = 12,240.30/x
  3. Step 3: Cross multiply
    28,883.10x = 43,324.65 × 12,240.30
  4. Step 4: Simplify right side
    28,883.10x = 530,306,713.40
  5. Step 5: Solve for x
    x = 530,306,713.40/28,883.10
  6. Step 6: Final answer
    x = 18,360.45

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Similar ratio
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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.