Home / 26,682.36-36,810.12-18,729.72

Finding the Fourth Proportional to 26,682.36, 36,810.12 and 18,729.72

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Solution

The fourth proportional to 26,682.36, 36,810.12 and 18,729.72 is: 25,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.36 : 36,810.12 = 18,729.72 : x
  2. Step 2: Convert to fraction form
    26,682.36/36,810.12 = 18,729.72/x
  3. Step 3: Cross multiply
    26,682.36x = 36,810.12 × 18,729.72
  4. Step 4: Simplify right side
    26,682.36x = 689,443,240.77
  5. Step 5: Solve for x
    x = 689,443,240.77/26,682.36
  6. Step 6: Final answer
    x = 25,838.92

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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.