Home / 27,948.67-38,568.36-15,373.42

Finding the Fourth Proportional to 27,948.67, 38,568.36 and 15,373.42

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Solution

The fourth proportional to 27,948.67, 38,568.36 and 15,373.42 is: 21,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.67 : 38,568.36 = 15,373.42 : x
  2. Step 2: Convert to fraction form
    27,948.67/38,568.36 = 15,373.42/x
  3. Step 3: Cross multiply
    27,948.67x = 38,568.36 × 15,373.42
  4. Step 4: Simplify right side
    27,948.67x = 592,927,596.99
  5. Step 5: Solve for x
    x = 592,927,596.99/27,948.67
  6. Step 6: Final answer
    x = 21,214.88

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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.