Home / 28,964.83-39,962.17-16,216.14

Finding the Fourth Proportional to 28,964.83, 39,962.17 and 16,216.14

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Solution

The fourth proportional to 28,964.83, 39,962.17 and 16,216.14 is: 22,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.83 : 39,962.17 = 16,216.14 : x
  2. Step 2: Convert to fraction form
    28,964.83/39,962.17 = 16,216.14/x
  3. Step 3: Cross multiply
    28,964.83x = 39,962.17 × 16,216.14
  4. Step 4: Simplify right side
    28,964.83x = 648,032,143.42
  5. Step 5: Solve for x
    x = 648,032,143.42/28,964.83
  6. Step 6: Final answer
    x = 22,373.07

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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.