Home / 22,650.26-31,257.72-12,579.35

Finding the Fourth Proportional to 22,650.26, 31,257.72 and 12,579.35

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Solution

The fourth proportional to 22,650.26, 31,257.72 and 12,579.35 is: 17,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.26 : 31,257.72 = 12,579.35 : x
  2. Step 2: Convert to fraction form
    22,650.26/31,257.72 = 12,579.35/x
  3. Step 3: Cross multiply
    22,650.26x = 31,257.72 × 12,579.35
  4. Step 4: Simplify right side
    22,650.26x = 393,201,643.79
  5. Step 5: Solve for x
    x = 393,201,643.79/22,650.26
  6. Step 6: Final answer
    x = 17,359.70

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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.