Home / 26,760.14-40,128.57-14,277.38

Finding the Fourth Proportional to 26,760.14, 40,128.57 and 14,277.38

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Solution

The fourth proportional to 26,760.14, 40,128.57 and 14,277.38 is: 21,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.14 : 40,128.57 = 14,277.38 : x
  2. Step 2: Convert to fraction form
    26,760.14/40,128.57 = 14,277.38/x
  3. Step 3: Cross multiply
    26,760.14x = 40,128.57 × 14,277.38
  4. Step 4: Simplify right side
    26,760.14x = 572,930,642.10
  5. Step 5: Solve for x
    x = 572,930,642.10/26,760.14
  6. Step 6: Final answer
    x = 21,409.86

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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.