Home / 27,635.91-38,143.70-17,562.38

Finding the Fourth Proportional to 27,635.91, 38,143.70 and 17,562.38

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Solution

The fourth proportional to 27,635.91, 38,143.70 and 17,562.38 is: 24,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.91 : 38,143.70 = 17,562.38 : x
  2. Step 2: Convert to fraction form
    27,635.91/38,143.70 = 17,562.38/x
  3. Step 3: Cross multiply
    27,635.91x = 38,143.70 × 17,562.38
  4. Step 4: Simplify right side
    27,635.91x = 669,893,875.48
  5. Step 5: Solve for x
    x = 669,893,875.48/27,635.91
  6. Step 6: Final answer
    x = 24,239.98

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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.