Home / 25,367.88-34,999.74-15,299.40

Finding the Fourth Proportional to 25,367.88, 34,999.74 and 15,299.40

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Solution

The fourth proportional to 25,367.88, 34,999.74 and 15,299.40 is: 21,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.88 : 34,999.74 = 15,299.40 : x
  2. Step 2: Convert to fraction form
    25,367.88/34,999.74 = 15,299.40/x
  3. Step 3: Cross multiply
    25,367.88x = 34,999.74 × 15,299.40
  4. Step 4: Simplify right side
    25,367.88x = 535,475,022.16
  5. Step 5: Solve for x
    x = 535,475,022.16/25,367.88
  6. Step 6: Final answer
    x = 21,108.39

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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.