Home / 27,900.65-38,488.47-17,271.83

Finding the Fourth Proportional to 27,900.65, 38,488.47 and 17,271.83

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Solution

The fourth proportional to 27,900.65, 38,488.47 and 17,271.83 is: 23,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.65 : 38,488.47 = 17,271.83 : x
  2. Step 2: Convert to fraction form
    27,900.65/38,488.47 = 17,271.83/x
  3. Step 3: Cross multiply
    27,900.65x = 38,488.47 × 17,271.83
  4. Step 4: Simplify right side
    27,900.65x = 664,766,342.25
  5. Step 5: Solve for x
    x = 664,766,342.25/27,900.65
  6. Step 6: Final answer
    x = 23,826.19

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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.