Home / 27,618.55-38,113.58-15,043.30

Finding the Fourth Proportional to 27,618.55, 38,113.58 and 15,043.30

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Solution

The fourth proportional to 27,618.55, 38,113.58 and 15,043.30 is: 20,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.55 : 38,113.58 = 15,043.30 : x
  2. Step 2: Convert to fraction form
    27,618.55/38,113.58 = 15,043.30/x
  3. Step 3: Cross multiply
    27,618.55x = 38,113.58 × 15,043.30
  4. Step 4: Simplify right side
    27,618.55x = 573,354,018.01
  5. Step 5: Solve for x
    x = 573,354,018.01/27,618.55
  6. Step 6: Final answer
    x = 20,759.74

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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.