Home / 25,110.88-34,651.84-13,780.12

Finding the Fourth Proportional to 25,110.88, 34,651.84 and 13,780.12

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Solution

The fourth proportional to 25,110.88, 34,651.84 and 13,780.12 is: 19,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.88 : 34,651.84 = 13,780.12 : x
  2. Step 2: Convert to fraction form
    25,110.88/34,651.84 = 13,780.12/x
  3. Step 3: Cross multiply
    25,110.88x = 34,651.84 × 13,780.12
  4. Step 4: Simplify right side
    25,110.88x = 477,506,513.42
  5. Step 5: Solve for x
    x = 477,506,513.42/25,110.88
  6. Step 6: Final answer
    x = 19,015.92

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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.