Home / 28,664.88-43,000.06-11,136.08

Finding the Fourth Proportional to 28,664.88, 43,000.06 and 11,136.08

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Solution

The fourth proportional to 28,664.88, 43,000.06 and 11,136.08 is: 16,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.88 : 43,000.06 = 11,136.08 : x
  2. Step 2: Convert to fraction form
    28,664.88/43,000.06 = 11,136.08/x
  3. Step 3: Cross multiply
    28,664.88x = 43,000.06 × 11,136.08
  4. Step 4: Simplify right side
    28,664.88x = 478,852,108.16
  5. Step 5: Solve for x
    x = 478,852,108.16/28,664.88
  6. Step 6: Final answer
    x = 16,705.18

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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.