Home / 28,864.98-43,263.86-12,219.48

Finding the Fourth Proportional to 28,864.98, 43,263.86 and 12,219.48

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Solution

The fourth proportional to 28,864.98, 43,263.86 and 12,219.48 is: 18,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.98 : 43,263.86 = 12,219.48 : x
  2. Step 2: Convert to fraction form
    28,864.98/43,263.86 = 12,219.48/x
  3. Step 3: Cross multiply
    28,864.98x = 43,263.86 × 12,219.48
  4. Step 4: Simplify right side
    28,864.98x = 528,661,810.90
  5. Step 5: Solve for x
    x = 528,661,810.90/28,864.98
  6. Step 6: Final answer
    x = 18,314.99

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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.