Home / 26,190.81-36,141.39-15,578.46

Finding the Fourth Proportional to 26,190.81, 36,141.39 and 15,578.46

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Solution

The fourth proportional to 26,190.81, 36,141.39 and 15,578.46 is: 21,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.81 : 36,141.39 = 15,578.46 : x
  2. Step 2: Convert to fraction form
    26,190.81/36,141.39 = 15,578.46/x
  3. Step 3: Cross multiply
    26,190.81x = 36,141.39 × 15,578.46
  4. Step 4: Simplify right side
    26,190.81x = 563,027,198.46
  5. Step 5: Solve for x
    x = 563,027,198.46/26,190.81
  6. Step 6: Final answer
    x = 21,497.13

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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.