Home / 26,810.70-40,208.21-10,158.72

Finding the Fourth Proportional to 26,810.70, 40,208.21 and 10,158.72

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Solution

The fourth proportional to 26,810.70, 40,208.21 and 10,158.72 is: 15,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.70 : 40,208.21 = 10,158.72 : x
  2. Step 2: Convert to fraction form
    26,810.70/40,208.21 = 10,158.72/x
  3. Step 3: Cross multiply
    26,810.70x = 40,208.21 × 10,158.72
  4. Step 4: Simplify right side
    26,810.70x = 408,463,947.09
  5. Step 5: Solve for x
    x = 408,463,947.09/26,810.70
  6. Step 6: Final answer
    x = 15,235.11

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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.