Home / 28,519.28-42,782.76-10,046.96

Finding the Fourth Proportional to 28,519.28, 42,782.76 and 10,046.96

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Solution

The fourth proportional to 28,519.28, 42,782.76 and 10,046.96 is: 15,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.28 : 42,782.76 = 10,046.96 : x
  2. Step 2: Convert to fraction form
    28,519.28/42,782.76 = 10,046.96/x
  3. Step 3: Cross multiply
    28,519.28x = 42,782.76 × 10,046.96
  4. Step 4: Simplify right side
    28,519.28x = 429,836,678.41
  5. Step 5: Solve for x
    x = 429,836,678.41/28,519.28
  6. Step 6: Final answer
    x = 15,071.79

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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.