Home / 28,033.19-42,048.56-6,972.78

Finding the Fourth Proportional to 28,033.19, 42,048.56 and 6,972.78

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Solution

The fourth proportional to 28,033.19, 42,048.56 and 6,972.78 is: 10,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.19 : 42,048.56 = 6,972.78 : x
  2. Step 2: Convert to fraction form
    28,033.19/42,048.56 = 6,972.78/x
  3. Step 3: Cross multiply
    28,033.19x = 42,048.56 × 6,972.78
  4. Step 4: Simplify right side
    28,033.19x = 293,195,358.20
  5. Step 5: Solve for x
    x = 293,195,358.20/28,033.19
  6. Step 6: Final answer
    x = 10,458.87

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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.