Home / 28,877.33-43,308.50-12,228.80

Finding the Fourth Proportional to 28,877.33, 43,308.50 and 12,228.80

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Solution

The fourth proportional to 28,877.33, 43,308.50 and 12,228.80 is: 18,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.33 : 43,308.50 = 12,228.80 : x
  2. Step 2: Convert to fraction form
    28,877.33/43,308.50 = 12,228.80/x
  3. Step 3: Cross multiply
    28,877.33x = 43,308.50 × 12,228.80
  4. Step 4: Simplify right side
    28,877.33x = 529,610,707.11
  5. Step 5: Solve for x
    x = 529,610,707.11/28,877.33
  6. Step 6: Final answer
    x = 18,340.01

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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.