Home / 26,440.36-36,487.34-15,109.72

Finding the Fourth Proportional to 26,440.36, 36,487.34 and 15,109.72

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Solution

The fourth proportional to 26,440.36, 36,487.34 and 15,109.72 is: 20,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.36 : 36,487.34 = 15,109.72 : x
  2. Step 2: Convert to fraction form
    26,440.36/36,487.34 = 15,109.72/x
  3. Step 3: Cross multiply
    26,440.36x = 36,487.34 × 15,109.72
  4. Step 4: Simplify right side
    26,440.36x = 551,313,490.94
  5. Step 5: Solve for x
    x = 551,313,490.94/26,440.36
  6. Step 6: Final answer
    x = 20,851.21

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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.