Home / 26,503.12-36,535.78-18,520.56

Finding the Fourth Proportional to 26,503.12, 36,535.78 and 18,520.56

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Solution

The fourth proportional to 26,503.12, 36,535.78 and 18,520.56 is: 25,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.12 : 36,535.78 = 18,520.56 : x
  2. Step 2: Convert to fraction form
    26,503.12/36,535.78 = 18,520.56/x
  3. Step 3: Cross multiply
    26,503.12x = 36,535.78 × 18,520.56
  4. Step 4: Simplify right side
    26,503.12x = 676,663,105.64
  5. Step 5: Solve for x
    x = 676,663,105.64/26,503.12
  6. Step 6: Final answer
    x = 25,531.45

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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.