Home / 27,601.29-38,089.67-15,500.09

Finding the Fourth Proportional to 27,601.29, 38,089.67 and 15,500.09

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Solution

The fourth proportional to 27,601.29, 38,089.67 and 15,500.09 is: 21,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.29 : 38,089.67 = 15,500.09 : x
  2. Step 2: Convert to fraction form
    27,601.29/38,089.67 = 15,500.09/x
  3. Step 3: Cross multiply
    27,601.29x = 38,089.67 × 15,500.09
  4. Step 4: Simplify right side
    27,601.29x = 590,393,045.12
  5. Step 5: Solve for x
    x = 590,393,045.12/27,601.29
  6. Step 6: Final answer
    x = 21,390.05

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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.