Home / 25,725.80-38,591.29-7,955.67

Finding the Fourth Proportional to 25,725.80, 38,591.29 and 7,955.67

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Solution

The fourth proportional to 25,725.80, 38,591.29 and 7,955.67 is: 11,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.80 : 38,591.29 = 7,955.67 : x
  2. Step 2: Convert to fraction form
    25,725.80/38,591.29 = 7,955.67/x
  3. Step 3: Cross multiply
    25,725.80x = 38,591.29 × 7,955.67
  4. Step 4: Simplify right side
    25,725.80x = 307,019,460.95
  5. Step 5: Solve for x
    x = 307,019,460.95/25,725.80
  6. Step 6: Final answer
    x = 11,934.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.