Home / 25,133.51-34,682.88-14,378.60

Finding the Fourth Proportional to 25,133.51, 34,682.88 and 14,378.60

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Solution

The fourth proportional to 25,133.51, 34,682.88 and 14,378.60 is: 19,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.51 : 34,682.88 = 14,378.60 : x
  2. Step 2: Convert to fraction form
    25,133.51/34,682.88 = 14,378.60/x
  3. Step 3: Cross multiply
    25,133.51x = 34,682.88 × 14,378.60
  4. Step 4: Simplify right side
    25,133.51x = 498,691,084.95
  5. Step 5: Solve for x
    x = 498,691,084.95/25,133.51
  6. Step 6: Final answer
    x = 19,841.68

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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.