Home / 14,276.52-21,415.86-3,888

Finding the Fourth Proportional to 14,276.52, 21,415.86 and 3,888

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Solution

The fourth proportional to 14,276.52, 21,415.86 and 3,888 is: 5,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.52 : 21,415.86 = 3,888 : x
  2. Step 2: Convert to fraction form
    14,276.52/21,415.86 = 3,888/x
  3. Step 3: Cross multiply
    14,276.52x = 21,415.86 × 3,888
  4. Step 4: Simplify right side
    14,276.52x = 83,264,863.68
  5. Step 5: Solve for x
    x = 83,264,863.68/14,276.52
  6. Step 6: Final answer
    x = 5,832.29

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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.