Home / 25,110.65-34,651.49-13,779.87

Finding the Fourth Proportional to 25,110.65, 34,651.49 and 13,779.87

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Solution

The fourth proportional to 25,110.65, 34,651.49 and 13,779.87 is: 19,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.65 : 34,651.49 = 13,779.87 : x
  2. Step 2: Convert to fraction form
    25,110.65/34,651.49 = 13,779.87/x
  3. Step 3: Cross multiply
    25,110.65x = 34,651.49 × 13,779.87
  4. Step 4: Simplify right side
    25,110.65x = 477,492,958.61
  5. Step 5: Solve for x
    x = 477,492,958.61/25,110.65
  6. Step 6: Final answer
    x = 19,015.56

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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.