Home / 26,320.80-39,487.68-18,544.80

Finding the Fourth Proportional to 26,320.80, 39,487.68 and 18,544.80

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Solution

The fourth proportional to 26,320.80, 39,487.68 and 18,544.80 is: 27,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.80 : 39,487.68 = 18,544.80 : x
  2. Step 2: Convert to fraction form
    26,320.80/39,487.68 = 18,544.80/x
  3. Step 3: Cross multiply
    26,320.80x = 39,487.68 × 18,544.80
  4. Step 4: Simplify right side
    26,320.80x = 732,291,128.06
  5. Step 5: Solve for x
    x = 732,291,128.06/26,320.80
  6. Step 6: Final answer
    x = 27,821.77

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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.