Home / 28,621.35-42,936.28-15,301.31

Finding the Fourth Proportional to 28,621.35, 42,936.28 and 15,301.31

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Solution

The fourth proportional to 28,621.35, 42,936.28 and 15,301.31 is: 22,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.35 : 42,936.28 = 15,301.31 : x
  2. Step 2: Convert to fraction form
    28,621.35/42,936.28 = 15,301.31/x
  3. Step 3: Cross multiply
    28,621.35x = 42,936.28 × 15,301.31
  4. Step 4: Simplify right side
    28,621.35x = 656,981,077.59
  5. Step 5: Solve for x
    x = 656,981,077.59/28,621.35
  6. Step 6: Final answer
    x = 22,954.23

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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.