Home / 28,657.10-43,001.34-11,127.62

Finding the Fourth Proportional to 28,657.10, 43,001.34 and 11,127.62

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Solution

The fourth proportional to 28,657.10, 43,001.34 and 11,127.62 is: 16,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.10 : 43,001.34 = 11,127.62 : x
  2. Step 2: Convert to fraction form
    28,657.10/43,001.34 = 11,127.62/x
  3. Step 3: Cross multiply
    28,657.10x = 43,001.34 × 11,127.62
  4. Step 4: Simplify right side
    28,657.10x = 478,502,571.01
  5. Step 5: Solve for x
    x = 478,502,571.01/28,657.10
  6. Step 6: Final answer
    x = 16,697.52

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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.