Home / 28,731.34-43,088.59-11,196.98

Finding the Fourth Proportional to 28,731.34, 43,088.59 and 11,196.98

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Solution

The fourth proportional to 28,731.34, 43,088.59 and 11,196.98 is: 16,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.34 : 43,088.59 = 11,196.98 : x
  2. Step 2: Convert to fraction form
    28,731.34/43,088.59 = 11,196.98/x
  3. Step 3: Cross multiply
    28,731.34x = 43,088.59 × 11,196.98
  4. Step 4: Simplify right side
    28,731.34x = 482,462,080.46
  5. Step 5: Solve for x
    x = 482,462,080.46/28,731.34
  6. Step 6: Final answer
    x = 16,792.19

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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.