Home / 28,965.08-39,962.52-16,216.39

Finding the Fourth Proportional to 28,965.08, 39,962.52 and 16,216.39

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Solution

The fourth proportional to 28,965.08, 39,962.52 and 16,216.39 is: 22,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.08 : 39,962.52 = 16,216.39 : x
  2. Step 2: Convert to fraction form
    28,965.08/39,962.52 = 16,216.39/x
  3. Step 3: Cross multiply
    28,965.08x = 39,962.52 × 16,216.39
  4. Step 4: Simplify right side
    28,965.08x = 648,047,709.80
  5. Step 5: Solve for x
    x = 648,047,709.80/28,965.08
  6. Step 6: Final answer
    x = 22,373.41

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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.