Home / 26,521.90-39,800.74-10,939.18

Finding the Fourth Proportional to 26,521.90, 39,800.74 and 10,939.18

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Solution

The fourth proportional to 26,521.90, 39,800.74 and 10,939.18 is: 16,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.90 : 39,800.74 = 10,939.18 : x
  2. Step 2: Convert to fraction form
    26,521.90/39,800.74 = 10,939.18/x
  3. Step 3: Cross multiply
    26,521.90x = 39,800.74 × 10,939.18
  4. Step 4: Simplify right side
    26,521.90x = 435,387,458.99
  5. Step 5: Solve for x
    x = 435,387,458.99/26,521.90
  6. Step 6: Final answer
    x = 16,416.15

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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.