Home / 27,311.54-37,693.50-15,377.20

Finding the Fourth Proportional to 27,311.54, 37,693.50 and 15,377.20

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Solution

The fourth proportional to 27,311.54, 37,693.50 and 15,377.20 is: 21,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.54 : 37,693.50 = 15,377.20 : x
  2. Step 2: Convert to fraction form
    27,311.54/37,693.50 = 15,377.20/x
  3. Step 3: Cross multiply
    27,311.54x = 37,693.50 × 15,377.20
  4. Step 4: Simplify right side
    27,311.54x = 579,620,488.20
  5. Step 5: Solve for x
    x = 579,620,488.20/27,311.54
  6. Step 6: Final answer
    x = 21,222.55

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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.