Home / 26,190.72-39,290.40-10,619.04

Finding the Fourth Proportional to 26,190.72, 39,290.40 and 10,619.04

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Solution

The fourth proportional to 26,190.72, 39,290.40 and 10,619.04 is: 15,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.72 : 39,290.40 = 10,619.04 : x
  2. Step 2: Convert to fraction form
    26,190.72/39,290.40 = 10,619.04/x
  3. Step 3: Cross multiply
    26,190.72x = 39,290.40 × 10,619.04
  4. Step 4: Simplify right side
    26,190.72x = 417,226,329.22
  5. Step 5: Solve for x
    x = 417,226,329.22/26,190.72
  6. Step 6: Final answer
    x = 15,930.31

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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.