Home / 25,081.50-34,612.65-13,903.50

Finding the Fourth Proportional to 25,081.50, 34,612.65 and 13,903.50

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Solution

The fourth proportional to 25,081.50, 34,612.65 and 13,903.50 is: 19,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.50 : 34,612.65 = 13,903.50 : x
  2. Step 2: Convert to fraction form
    25,081.50/34,612.65 = 13,903.50/x
  3. Step 3: Cross multiply
    25,081.50x = 34,612.65 × 13,903.50
  4. Step 4: Simplify right side
    25,081.50x = 481,236,979.28
  5. Step 5: Solve for x
    x = 481,236,979.28/25,081.50
  6. Step 6: Final answer
    x = 19,186.93

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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.