Home / 25,118.36-34,665.46-13,789.77

Finding the Fourth Proportional to 25,118.36, 34,665.46 and 13,789.77

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Solution

The fourth proportional to 25,118.36, 34,665.46 and 13,789.77 is: 19,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.36 : 34,665.46 = 13,789.77 : x
  2. Step 2: Convert to fraction form
    25,118.36/34,665.46 = 13,789.77/x
  3. Step 3: Cross multiply
    25,118.36x = 34,665.46 × 13,789.77
  4. Step 4: Simplify right side
    25,118.36x = 478,028,720.34
  5. Step 5: Solve for x
    x = 478,028,720.34/25,118.36
  6. Step 6: Final answer
    x = 19,031.05

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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.