Home / 25,120.48-34,664.09-13,789.93

Finding the Fourth Proportional to 25,120.48, 34,664.09 and 13,789.93

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Solution

The fourth proportional to 25,120.48, 34,664.09 and 13,789.93 is: 19,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.48 : 34,664.09 = 13,789.93 : x
  2. Step 2: Convert to fraction form
    25,120.48/34,664.09 = 13,789.93/x
  3. Step 3: Cross multiply
    25,120.48x = 34,664.09 × 13,789.93
  4. Step 4: Simplify right side
    25,120.48x = 478,015,374.61
  5. Step 5: Solve for x
    x = 478,015,374.61/25,120.48
  6. Step 6: Final answer
    x = 19,028.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.