Home / 18,281.40-27,422.10-15,164.93

Finding the Fourth Proportional to 18,281.40, 27,422.10 and 15,164.93

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Solution

The fourth proportional to 18,281.40, 27,422.10 and 15,164.93 is: 22,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.40 : 27,422.10 = 15,164.93 : x
  2. Step 2: Convert to fraction form
    18,281.40/27,422.10 = 15,164.93/x
  3. Step 3: Cross multiply
    18,281.40x = 27,422.10 × 15,164.93
  4. Step 4: Simplify right side
    18,281.40x = 415,854,089.84
  5. Step 5: Solve for x
    x = 415,854,089.84/18,281.40
  6. Step 6: Final answer
    x = 22,747.39

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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.