Home / 26,859.68-40,108.56-21,939.04

Finding the Fourth Proportional to 26,859.68, 40,108.56 and 21,939.04

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Solution

The fourth proportional to 26,859.68, 40,108.56 and 21,939.04 is: 32,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.68 : 40,108.56 = 21,939.04 : x
  2. Step 2: Convert to fraction form
    26,859.68/40,108.56 = 21,939.04/x
  3. Step 3: Cross multiply
    26,859.68x = 40,108.56 × 21,939.04
  4. Step 4: Simplify right side
    26,859.68x = 879,943,302.18
  5. Step 5: Solve for x
    x = 879,943,302.18/26,859.68
  6. Step 6: Final answer
    x = 32,760.75

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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.