Home / 26,439.86-36,474.44-15,827.45

Finding the Fourth Proportional to 26,439.86, 36,474.44 and 15,827.45

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Solution

The fourth proportional to 26,439.86, 36,474.44 and 15,827.45 is: 21,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.86 : 36,474.44 = 15,827.45 : x
  2. Step 2: Convert to fraction form
    26,439.86/36,474.44 = 15,827.45/x
  3. Step 3: Cross multiply
    26,439.86x = 36,474.44 × 15,827.45
  4. Step 4: Simplify right side
    26,439.86x = 577,297,113.87
  5. Step 5: Solve for x
    x = 577,297,113.87/26,439.86
  6. Step 6: Final answer
    x = 21,834.35

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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.