Home / 14,278.25-21,417.41-3,890.00

Finding the Fourth Proportional to 14,278.25, 21,417.41 and 3,890.00

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Solution

The fourth proportional to 14,278.25, 21,417.41 and 3,890.00 is: 5,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.25 : 21,417.41 = 3,890.00 : x
  2. Step 2: Convert to fraction form
    14,278.25/21,417.41 = 3,890.00/x
  3. Step 3: Cross multiply
    14,278.25x = 21,417.41 × 3,890.00
  4. Step 4: Simplify right side
    14,278.25x = 83,313,788.17
  5. Step 5: Solve for x
    x = 83,313,788.17/14,278.25
  6. Step 6: Final answer
    x = 5,835.01

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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.