Home / 25,269.76-34,868.80-14,089.60

Finding the Fourth Proportional to 25,269.76, 34,868.80 and 14,089.60

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Solution

The fourth proportional to 25,269.76, 34,868.80 and 14,089.60 is: 19,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.76 : 34,868.80 = 14,089.60 : x
  2. Step 2: Convert to fraction form
    25,269.76/34,868.80 = 14,089.60/x
  3. Step 3: Cross multiply
    25,269.76x = 34,868.80 × 14,089.60
  4. Step 4: Simplify right side
    25,269.76x = 491,287,444.48
  5. Step 5: Solve for x
    x = 491,287,444.48/25,269.76
  6. Step 6: Final answer
    x = 19,441.71

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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.