Home / 28,877.38-43,333.34-12,461.38

Finding the Fourth Proportional to 28,877.38, 43,333.34 and 12,461.38

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Solution

The fourth proportional to 28,877.38, 43,333.34 and 12,461.38 is: 18,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.38 : 43,333.34 = 12,461.38 : x
  2. Step 2: Convert to fraction form
    28,877.38/43,333.34 = 12,461.38/x
  3. Step 3: Cross multiply
    28,877.38x = 43,333.34 × 12,461.38
  4. Step 4: Simplify right side
    28,877.38x = 539,993,216.41
  5. Step 5: Solve for x
    x = 539,993,216.41/28,877.38
  6. Step 6: Final answer
    x = 18,699.52

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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.