Home / 22,628.24-31,233.36-15,915.44

Finding the Fourth Proportional to 22,628.24, 31,233.36 and 15,915.44

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Solution

The fourth proportional to 22,628.24, 31,233.36 and 15,915.44 is: 21,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.24 : 31,233.36 = 15,915.44 : x
  2. Step 2: Convert to fraction form
    22,628.24/31,233.36 = 15,915.44/x
  3. Step 3: Cross multiply
    22,628.24x = 31,233.36 × 15,915.44
  4. Step 4: Simplify right side
    22,628.24x = 497,092,667.08
  5. Step 5: Solve for x
    x = 497,092,667.08/22,628.24
  6. Step 6: Final answer
    x = 21,967.80

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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.