Home / 25,245.83-34,839.49-13,915.77

Finding the Fourth Proportional to 25,245.83, 34,839.49 and 13,915.77

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Solution

The fourth proportional to 25,245.83, 34,839.49 and 13,915.77 is: 19,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.83 : 34,839.49 = 13,915.77 : x
  2. Step 2: Convert to fraction form
    25,245.83/34,839.49 = 13,915.77/x
  3. Step 3: Cross multiply
    25,245.83x = 34,839.49 × 13,915.77
  4. Step 4: Simplify right side
    25,245.83x = 484,818,329.76
  5. Step 5: Solve for x
    x = 484,818,329.76/25,245.83
  6. Step 6: Final answer
    x = 19,203.90

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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.