Home / 28,676.48-39,573.60-16,101.28

Finding the Fourth Proportional to 28,676.48, 39,573.60 and 16,101.28

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Solution

The fourth proportional to 28,676.48, 39,573.60 and 16,101.28 is: 22,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.48 : 39,573.60 = 16,101.28 : x
  2. Step 2: Convert to fraction form
    28,676.48/39,573.60 = 16,101.28/x
  3. Step 3: Cross multiply
    28,676.48x = 39,573.60 × 16,101.28
  4. Step 4: Simplify right side
    28,676.48x = 637,185,614.21
  5. Step 5: Solve for x
    x = 637,185,614.21/28,676.48
  6. Step 6: Final answer
    x = 22,219.80

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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.