Home / 26,449.81-36,503.26-15,120.20

Finding the Fourth Proportional to 26,449.81, 36,503.26 and 15,120.20

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Solution

The fourth proportional to 26,449.81, 36,503.26 and 15,120.20 is: 20,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.81 : 36,503.26 = 15,120.20 : x
  2. Step 2: Convert to fraction form
    26,449.81/36,503.26 = 15,120.20/x
  3. Step 3: Cross multiply
    26,449.81x = 36,503.26 × 15,120.20
  4. Step 4: Simplify right side
    26,449.81x = 551,936,645.31
  5. Step 5: Solve for x
    x = 551,936,645.31/26,449.81
  6. Step 6: Final answer
    x = 20,867.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.