Home / 27,311.58-37,691.33-15,376.23

Finding the Fourth Proportional to 27,311.58, 37,691.33 and 15,376.23

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Solution

The fourth proportional to 27,311.58, 37,691.33 and 15,376.23 is: 21,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.58 : 37,691.33 = 15,376.23 : x
  2. Step 2: Convert to fraction form
    27,311.58/37,691.33 = 15,376.23/x
  3. Step 3: Cross multiply
    27,311.58x = 37,691.33 × 15,376.23
  4. Step 4: Simplify right side
    27,311.58x = 579,550,482.20
  5. Step 5: Solve for x
    x = 579,550,482.20/27,311.58
  6. Step 6: Final answer
    x = 21,219.95

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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.