Home / 26,160.80-36,109.68-17,215.16

Finding the Fourth Proportional to 26,160.80, 36,109.68 and 17,215.16

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Solution

The fourth proportional to 26,160.80, 36,109.68 and 17,215.16 is: 23,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.80 : 36,109.68 = 17,215.16 : x
  2. Step 2: Convert to fraction form
    26,160.80/36,109.68 = 17,215.16/x
  3. Step 3: Cross multiply
    26,160.80x = 36,109.68 × 17,215.16
  4. Step 4: Simplify right side
    26,160.80x = 621,633,918.75
  5. Step 5: Solve for x
    x = 621,633,918.75/26,160.80
  6. Step 6: Final answer
    x = 23,762.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.