Home / 26,328.35-39,482.39-20,717.06

Finding the Fourth Proportional to 26,328.35, 39,482.39 and 20,717.06

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Solution

The fourth proportional to 26,328.35, 39,482.39 and 20,717.06 is: 31,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.35 : 39,482.39 = 20,717.06 : x
  2. Step 2: Convert to fraction form
    26,328.35/39,482.39 = 20,717.06/x
  3. Step 3: Cross multiply
    26,328.35x = 39,482.39 × 20,717.06
  4. Step 4: Simplify right side
    26,328.35x = 817,959,042.57
  5. Step 5: Solve for x
    x = 817,959,042.57/26,328.35
  6. Step 6: Final answer
    x = 31,067.62

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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.