Home / 26,105.02-39,138.90-15,550.18

Finding the Fourth Proportional to 26,105.02, 39,138.90 and 15,550.18

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Solution

The fourth proportional to 26,105.02, 39,138.90 and 15,550.18 is: 23,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.02 : 39,138.90 = 15,550.18 : x
  2. Step 2: Convert to fraction form
    26,105.02/39,138.90 = 15,550.18/x
  3. Step 3: Cross multiply
    26,105.02x = 39,138.90 × 15,550.18
  4. Step 4: Simplify right side
    26,105.02x = 608,616,940.00
  5. Step 5: Solve for x
    x = 608,616,940.00/26,105.02
  6. Step 6: Final answer
    x = 23,314.17

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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.