Home / 27,310.76-37,689.55-15,374.53

Finding the Fourth Proportional to 27,310.76, 37,689.55 and 15,374.53

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Solution

The fourth proportional to 27,310.76, 37,689.55 and 15,374.53 is: 21,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.76 : 37,689.55 = 15,374.53 : x
  2. Step 2: Convert to fraction form
    27,310.76/37,689.55 = 15,374.53/x
  3. Step 3: Cross multiply
    27,310.76x = 37,689.55 × 15,374.53
  4. Step 4: Simplify right side
    27,310.76x = 579,458,928.71
  5. Step 5: Solve for x
    x = 579,458,928.71/27,310.76
  6. Step 6: Final answer
    x = 21,217.24

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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.