Home / 18,285.55-27,439.28-16,798.39

Finding the Fourth Proportional to 18,285.55, 27,439.28 and 16,798.39

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Solution

The fourth proportional to 18,285.55, 27,439.28 and 16,798.39 is: 25,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.55 : 27,439.28 = 16,798.39 : x
  2. Step 2: Convert to fraction form
    18,285.55/27,439.28 = 16,798.39/x
  3. Step 3: Cross multiply
    18,285.55x = 27,439.28 × 16,798.39
  4. Step 4: Simplify right side
    18,285.55x = 460,935,726.76
  5. Step 5: Solve for x
    x = 460,935,726.76/18,285.55
  6. Step 6: Final answer
    x = 25,207.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.