Home / 26,480.79-36,542.75-15,150.78

Finding the Fourth Proportional to 26,480.79, 36,542.75 and 15,150.78

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Solution

The fourth proportional to 26,480.79, 36,542.75 and 15,150.78 is: 20,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.79 : 36,542.75 = 15,150.78 : x
  2. Step 2: Convert to fraction form
    26,480.79/36,542.75 = 15,150.78/x
  3. Step 3: Cross multiply
    26,480.79x = 36,542.75 × 15,150.78
  4. Step 4: Simplify right side
    26,480.79x = 553,651,090.09
  5. Step 5: Solve for x
    x = 553,651,090.09/26,480.79
  6. Step 6: Final answer
    x = 20,907.65

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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.