Home / 27,645.81-38,139.18-17,568.84

Finding the Fourth Proportional to 27,645.81, 38,139.18 and 17,568.84

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Solution

The fourth proportional to 27,645.81, 38,139.18 and 17,568.84 is: 24,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.81 : 38,139.18 = 17,568.84 : x
  2. Step 2: Convert to fraction form
    27,645.81/38,139.18 = 17,568.84/x
  3. Step 3: Cross multiply
    27,645.81x = 38,139.18 × 17,568.84
  4. Step 4: Simplify right side
    27,645.81x = 670,061,151.15
  5. Step 5: Solve for x
    x = 670,061,151.15/27,645.81
  6. Step 6: Final answer
    x = 24,237.35

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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.