Home / 25,323.90-37,991.31-13,634.40

Finding the Fourth Proportional to 25,323.90, 37,991.31 and 13,634.40

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Solution

The fourth proportional to 25,323.90, 37,991.31 and 13,634.40 is: 20,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.90 : 37,991.31 = 13,634.40 : x
  2. Step 2: Convert to fraction form
    25,323.90/37,991.31 = 13,634.40/x
  3. Step 3: Cross multiply
    25,323.90x = 37,991.31 × 13,634.40
  4. Step 4: Simplify right side
    25,323.90x = 517,988,717.06
  5. Step 5: Solve for x
    x = 517,988,717.06/25,323.90
  6. Step 6: Final answer
    x = 20,454.54

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1.5x scale

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.