Home / 25,220.36-34,804.11-13,889.83

Finding the Fourth Proportional to 25,220.36, 34,804.11 and 13,889.83

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Solution

The fourth proportional to 25,220.36, 34,804.11 and 13,889.83 is: 19,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.36 : 34,804.11 = 13,889.83 : x
  2. Step 2: Convert to fraction form
    25,220.36/34,804.11 = 13,889.83/x
  3. Step 3: Cross multiply
    25,220.36x = 34,804.11 × 13,889.83
  4. Step 4: Simplify right side
    25,220.36x = 483,423,084.34
  5. Step 5: Solve for x
    x = 483,423,084.34/25,220.36
  6. Step 6: Final answer
    x = 19,167.97

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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.