Home / 28,606.96-39,477-16,031.44

Finding the Fourth Proportional to 28,606.96, 39,477 and 16,031.44

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Solution

The fourth proportional to 28,606.96, 39,477 and 16,031.44 is: 22,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.96 : 39,477 = 16,031.44 : x
  2. Step 2: Convert to fraction form
    28,606.96/39,477 = 16,031.44/x
  3. Step 3: Cross multiply
    28,606.96x = 39,477 × 16,031.44
  4. Step 4: Simplify right side
    28,606.96x = 632,873,156.88
  5. Step 5: Solve for x
    x = 632,873,156.88/28,606.96
  6. Step 6: Final answer
    x = 22,123.05

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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.