Home / 27,660.41-38,079.09-26,389.43

Finding the Fourth Proportional to 27,660.41, 38,079.09 and 26,389.43

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Solution

The fourth proportional to 27,660.41, 38,079.09 and 26,389.43 is: 36,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.41 : 38,079.09 = 26,389.43 : x
  2. Step 2: Convert to fraction form
    27,660.41/38,079.09 = 26,389.43/x
  3. Step 3: Cross multiply
    27,660.41x = 38,079.09 × 26,389.43
  4. Step 4: Simplify right side
    27,660.41x = 1,004,885,432.42
  5. Step 5: Solve for x
    x = 1,004,885,432.42/27,660.41
  6. Step 6: Final answer
    x = 36,329.38

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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.