Home / 25,710.10-38,600.84-13,239.03

Finding the Fourth Proportional to 25,710.10, 38,600.84 and 13,239.03

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Solution

The fourth proportional to 25,710.10, 38,600.84 and 13,239.03 is: 19,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.10 : 38,600.84 = 13,239.03 : x
  2. Step 2: Convert to fraction form
    25,710.10/38,600.84 = 13,239.03/x
  3. Step 3: Cross multiply
    25,710.10x = 38,600.84 × 13,239.03
  4. Step 4: Simplify right side
    25,710.10x = 511,037,678.79
  5. Step 5: Solve for x
    x = 511,037,678.79/25,710.10
  6. Step 6: Final answer
    x = 19,876.92

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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.