Home / 26,076.72-39,115.19-18,320.16

Finding the Fourth Proportional to 26,076.72, 39,115.19 and 18,320.16

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Solution

The fourth proportional to 26,076.72, 39,115.19 and 18,320.16 is: 27,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,076.72 : 39,115.19 = 18,320.16 : x
  2. Step 2: Convert to fraction form
    26,076.72/39,115.19 = 18,320.16/x
  3. Step 3: Cross multiply
    26,076.72x = 39,115.19 × 18,320.16
  4. Step 4: Simplify right side
    26,076.72x = 716,596,539.23
  5. Step 5: Solve for x
    x = 716,596,539.23/26,076.72
  6. Step 6: Final answer
    x = 27,480.32

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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.