Home / 28,924.18-39,915.09-16,177.21

Finding the Fourth Proportional to 28,924.18, 39,915.09 and 16,177.21

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Solution

The fourth proportional to 28,924.18, 39,915.09 and 16,177.21 is: 22,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.18 : 39,915.09 = 16,177.21 : x
  2. Step 2: Convert to fraction form
    28,924.18/39,915.09 = 16,177.21/x
  3. Step 3: Cross multiply
    28,924.18x = 39,915.09 × 16,177.21
  4. Step 4: Simplify right side
    28,924.18x = 645,714,693.31
  5. Step 5: Solve for x
    x = 645,714,693.31/28,924.18
  6. Step 6: Final answer
    x = 22,324.39

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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.