Home / 28,708.63-43,055.96-12,068.87

Finding the Fourth Proportional to 28,708.63, 43,055.96 and 12,068.87

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Solution

The fourth proportional to 28,708.63, 43,055.96 and 12,068.87 is: 18,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.63 : 43,055.96 = 12,068.87 : x
  2. Step 2: Convert to fraction form
    28,708.63/43,055.96 = 12,068.87/x
  3. Step 3: Cross multiply
    28,708.63x = 43,055.96 × 12,068.87
  4. Step 4: Simplify right side
    28,708.63x = 519,636,508.34
  5. Step 5: Solve for x
    x = 519,636,508.34/28,708.63
  6. Step 6: Final answer
    x = 18,100.36

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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.