Home / 28,703.16-43,057.98-12,060.09

Finding the Fourth Proportional to 28,703.16, 43,057.98 and 12,060.09

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Solution

The fourth proportional to 28,703.16, 43,057.98 and 12,060.09 is: 18,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.16 : 43,057.98 = 12,060.09 : x
  2. Step 2: Convert to fraction form
    28,703.16/43,057.98 = 12,060.09/x
  3. Step 3: Cross multiply
    28,703.16x = 43,057.98 × 12,060.09
  4. Step 4: Simplify right side
    28,703.16x = 519,283,114.02
  5. Step 5: Solve for x
    x = 519,283,114.02/28,703.16
  6. Step 6: Final answer
    x = 18,091.50

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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.