Home / 25,340.89-34,975.98-14,736.64

Finding the Fourth Proportional to 25,340.89, 34,975.98 and 14,736.64

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Solution

The fourth proportional to 25,340.89, 34,975.98 and 14,736.64 is: 20,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.89 : 34,975.98 = 14,736.64 : x
  2. Step 2: Convert to fraction form
    25,340.89/34,975.98 = 14,736.64/x
  3. Step 3: Cross multiply
    25,340.89x = 34,975.98 × 14,736.64
  4. Step 4: Simplify right side
    25,340.89x = 515,428,177.34
  5. Step 5: Solve for x
    x = 515,428,177.34/25,340.89
  6. Step 6: Final answer
    x = 20,339.79

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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.