Home / 28,753.12-39,676.26-16,005.34

Finding the Fourth Proportional to 28,753.12, 39,676.26 and 16,005.34

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Solution

The fourth proportional to 28,753.12, 39,676.26 and 16,005.34 is: 22,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.12 : 39,676.26 = 16,005.34 : x
  2. Step 2: Convert to fraction form
    28,753.12/39,676.26 = 16,005.34/x
  3. Step 3: Cross multiply
    28,753.12x = 39,676.26 × 16,005.34
  4. Step 4: Simplify right side
    28,753.12x = 635,032,031.23
  5. Step 5: Solve for x
    x = 635,032,031.23/28,753.12
  6. Step 6: Final answer
    x = 22,085.67

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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.