Home / 25,110.85-34,653.33-13,780.15

Finding the Fourth Proportional to 25,110.85, 34,653.33 and 13,780.15

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Solution

The fourth proportional to 25,110.85, 34,653.33 and 13,780.15 is: 19,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.85 : 34,653.33 = 13,780.15 : x
  2. Step 2: Convert to fraction form
    25,110.85/34,653.33 = 13,780.15/x
  3. Step 3: Cross multiply
    25,110.85x = 34,653.33 × 13,780.15
  4. Step 4: Simplify right side
    25,110.85x = 477,528,085.40
  5. Step 5: Solve for x
    x = 477,528,085.40/25,110.85
  6. Step 6: Final answer
    x = 19,016.80

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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.