Home / 27,845.64-38,426.87-15,099.14

Finding the Fourth Proportional to 27,845.64, 38,426.87 and 15,099.14

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Solution

The fourth proportional to 27,845.64, 38,426.87 and 15,099.14 is: 20,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.64 : 38,426.87 = 15,099.14 : x
  2. Step 2: Convert to fraction form
    27,845.64/38,426.87 = 15,099.14/x
  3. Step 3: Cross multiply
    27,845.64x = 38,426.87 × 15,099.14
  4. Step 4: Simplify right side
    27,845.64x = 580,212,823.71
  5. Step 5: Solve for x
    x = 580,212,823.71/27,845.64
  6. Step 6: Final answer
    x = 20,836.76

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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.