Home / 27,248.12-40,871.74-13,209.35

Finding the Fourth Proportional to 27,248.12, 40,871.74 and 13,209.35

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Solution

The fourth proportional to 27,248.12, 40,871.74 and 13,209.35 is: 19,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.12 : 40,871.74 = 13,209.35 : x
  2. Step 2: Convert to fraction form
    27,248.12/40,871.74 = 13,209.35/x
  3. Step 3: Cross multiply
    27,248.12x = 40,871.74 × 13,209.35
  4. Step 4: Simplify right side
    27,248.12x = 539,889,251.01
  5. Step 5: Solve for x
    x = 539,889,251.01/27,248.12
  6. Step 6: Final answer
    x = 19,813.82

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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.