Home / 27,703.21-38,206.31-18,008.57

Finding the Fourth Proportional to 27,703.21, 38,206.31 and 18,008.57

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Solution

The fourth proportional to 27,703.21, 38,206.31 and 18,008.57 is: 24,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.21 : 38,206.31 = 18,008.57 : x
  2. Step 2: Convert to fraction form
    27,703.21/38,206.31 = 18,008.57/x
  3. Step 3: Cross multiply
    27,703.21x = 38,206.31 × 18,008.57
  4. Step 4: Simplify right side
    27,703.21x = 688,040,862.07
  5. Step 5: Solve for x
    x = 688,040,862.07/27,703.21
  6. Step 6: Final answer
    x = 24,836.14

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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.