Home / 28,247.74-42,358.14-10,466.20

Finding the Fourth Proportional to 28,247.74, 42,358.14 and 10,466.20

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Solution

The fourth proportional to 28,247.74, 42,358.14 and 10,466.20 is: 15,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.74 : 42,358.14 = 10,466.20 : x
  2. Step 2: Convert to fraction form
    28,247.74/42,358.14 = 10,466.20/x
  3. Step 3: Cross multiply
    28,247.74x = 42,358.14 × 10,466.20
  4. Step 4: Simplify right side
    28,247.74x = 443,328,764.87
  5. Step 5: Solve for x
    x = 443,328,764.87/28,247.74
  6. Step 6: Final answer
    x = 15,694.31

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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.