Home / 38,479.84-57,752.40-15,122.56

Finding the Fourth Proportional to 38,479.84, 57,752.40 and 15,122.56

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Solution

The fourth proportional to 38,479.84, 57,752.40 and 15,122.56 is: 22,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.84 : 57,752.40 = 15,122.56 : x
  2. Step 2: Convert to fraction form
    38,479.84/57,752.40 = 15,122.56/x
  3. Step 3: Cross multiply
    38,479.84x = 57,752.40 × 15,122.56
  4. Step 4: Simplify right side
    38,479.84x = 873,364,134.14
  5. Step 5: Solve for x
    x = 873,364,134.14/38,479.84
  6. Step 6: Final answer
    x = 22,696.67

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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.