Home / 26,471.57-39,694.77-15,381.45

Finding the Fourth Proportional to 26,471.57, 39,694.77 and 15,381.45

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Solution

The fourth proportional to 26,471.57, 39,694.77 and 15,381.45 is: 23,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.57 : 39,694.77 = 15,381.45 : x
  2. Step 2: Convert to fraction form
    26,471.57/39,694.77 = 15,381.45/x
  3. Step 3: Cross multiply
    26,471.57x = 39,694.77 × 15,381.45
  4. Step 4: Simplify right side
    26,471.57x = 610,563,120.02
  5. Step 5: Solve for x
    x = 610,563,120.02/26,471.57
  6. Step 6: Final answer
    x = 23,064.87

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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.