Home / 22,530.88-31,089.44-13,097.28

Finding the Fourth Proportional to 22,530.88, 31,089.44 and 13,097.28

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Solution

The fourth proportional to 22,530.88, 31,089.44 and 13,097.28 is: 18,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.88 : 31,089.44 = 13,097.28 : x
  2. Step 2: Convert to fraction form
    22,530.88/31,089.44 = 13,097.28/x
  3. Step 3: Cross multiply
    22,530.88x = 31,089.44 × 13,097.28
  4. Step 4: Simplify right side
    22,530.88x = 407,187,100.72
  5. Step 5: Solve for x
    x = 407,187,100.72/22,530.88
  6. Step 6: Final answer
    x = 18,072.40

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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.