Home / 22,775.26-31,429.91-12,703.45

Finding the Fourth Proportional to 22,775.26, 31,429.91 and 12,703.45

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Solution

The fourth proportional to 22,775.26, 31,429.91 and 12,703.45 is: 17,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.26 : 31,429.91 = 12,703.45 : x
  2. Step 2: Convert to fraction form
    22,775.26/31,429.91 = 12,703.45/x
  3. Step 3: Cross multiply
    22,775.26x = 31,429.91 × 12,703.45
  4. Step 4: Simplify right side
    22,775.26x = 399,268,290.19
  5. Step 5: Solve for x
    x = 399,268,290.19/22,775.26
  6. Step 6: Final answer
    x = 17,530.79

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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.