Home / 28,260.63-42,333.12-22,683.78

Finding the Fourth Proportional to 28,260.63, 42,333.12 and 22,683.78

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Solution

The fourth proportional to 28,260.63, 42,333.12 and 22,683.78 is: 33,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.63 : 42,333.12 = 22,683.78 : x
  2. Step 2: Convert to fraction form
    28,260.63/42,333.12 = 22,683.78/x
  3. Step 3: Cross multiply
    28,260.63x = 42,333.12 × 22,683.78
  4. Step 4: Simplify right side
    28,260.63x = 960,275,180.79
  5. Step 5: Solve for x
    x = 960,275,180.79/28,260.63
  6. Step 6: Final answer
    x = 33,979.26

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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.