Home / 25,519.98-38,280.82-8,881.40

Finding the Fourth Proportional to 25,519.98, 38,280.82 and 8,881.40

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Solution

The fourth proportional to 25,519.98, 38,280.82 and 8,881.40 is: 13,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.98 : 38,280.82 = 8,881.40 : x
  2. Step 2: Convert to fraction form
    25,519.98/38,280.82 = 8,881.40/x
  3. Step 3: Cross multiply
    25,519.98x = 38,280.82 × 8,881.40
  4. Step 4: Simplify right side
    25,519.98x = 339,987,274.75
  5. Step 5: Solve for x
    x = 339,987,274.75/25,519.98
  6. Step 6: Final answer
    x = 13,322.40

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1.5x scale

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.