Home / 29,648.22-40,915.16-16,220.36

Finding the Fourth Proportional to 29,648.22, 40,915.16 and 16,220.36

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Solution

The fourth proportional to 29,648.22, 40,915.16 and 16,220.36 is: 22,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.22 : 40,915.16 = 16,220.36 : x
  2. Step 2: Convert to fraction form
    29,648.22/40,915.16 = 16,220.36/x
  3. Step 3: Cross multiply
    29,648.22x = 40,915.16 × 16,220.36
  4. Step 4: Simplify right side
    29,648.22x = 663,658,338.98
  5. Step 5: Solve for x
    x = 663,658,338.98/29,648.22
  6. Step 6: Final answer
    x = 22,384.42

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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.