Home / 25,550.63-38,126.37-20,225.28

Finding the Fourth Proportional to 25,550.63, 38,126.37 and 20,225.28

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Solution

The fourth proportional to 25,550.63, 38,126.37 and 20,225.28 is: 30,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.63 : 38,126.37 = 20,225.28 : x
  2. Step 2: Convert to fraction form
    25,550.63/38,126.37 = 20,225.28/x
  3. Step 3: Cross multiply
    25,550.63x = 38,126.37 × 20,225.28
  4. Step 4: Simplify right side
    25,550.63x = 771,116,508.63
  5. Step 5: Solve for x
    x = 771,116,508.63/25,550.63
  6. Step 6: Final answer
    x = 30,179.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.