Home / 27,834.72-38,411.64-15,259.44

Finding the Fourth Proportional to 27,834.72, 38,411.64 and 15,259.44

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Solution

The fourth proportional to 27,834.72, 38,411.64 and 15,259.44 is: 21,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.72 : 38,411.64 = 15,259.44 : x
  2. Step 2: Convert to fraction form
    27,834.72/38,411.64 = 15,259.44/x
  3. Step 3: Cross multiply
    27,834.72x = 38,411.64 × 15,259.44
  4. Step 4: Simplify right side
    27,834.72x = 586,140,115.88
  5. Step 5: Solve for x
    x = 586,140,115.88/27,834.72
  6. Step 6: Final answer
    x = 21,057.88

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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.