Home / 26,042.80-39,064.20-20,210.80

Finding the Fourth Proportional to 26,042.80, 39,064.20 and 20,210.80

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Solution

The fourth proportional to 26,042.80, 39,064.20 and 20,210.80 is: 30,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.80 : 39,064.20 = 20,210.80 : x
  2. Step 2: Convert to fraction form
    26,042.80/39,064.20 = 20,210.80/x
  3. Step 3: Cross multiply
    26,042.80x = 39,064.20 × 20,210.80
  4. Step 4: Simplify right side
    26,042.80x = 789,518,733.36
  5. Step 5: Solve for x
    x = 789,518,733.36/26,042.80
  6. Step 6: Final answer
    x = 30,316.20

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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.