Home / 27,948.09-38,568.98-15,372.84

Finding the Fourth Proportional to 27,948.09, 38,568.98 and 15,372.84

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Solution

The fourth proportional to 27,948.09, 38,568.98 and 15,372.84 is: 21,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.09 : 38,568.98 = 15,372.84 : x
  2. Step 2: Convert to fraction form
    27,948.09/38,568.98 = 15,372.84/x
  3. Step 3: Cross multiply
    27,948.09x = 38,568.98 × 15,372.84
  4. Step 4: Simplify right side
    27,948.09x = 592,914,855.10
  5. Step 5: Solve for x
    x = 592,914,855.10/27,948.09
  6. Step 6: Final answer
    x = 21,214.86

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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.