Home / 28,621.16-39,495.46-16,045.64

Finding the Fourth Proportional to 28,621.16, 39,495.46 and 16,045.64

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Solution

The fourth proportional to 28,621.16, 39,495.46 and 16,045.64 is: 22,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621.16 : 39,495.46 = 16,045.64 : x
  2. Step 2: Convert to fraction form
    28,621.16/39,495.46 = 16,045.64/x
  3. Step 3: Cross multiply
    28,621.16x = 39,495.46 × 16,045.64
  4. Step 4: Simplify right side
    28,621.16x = 633,729,932.79
  5. Step 5: Solve for x
    x = 633,729,932.79/28,621.16
  6. Step 6: Final answer
    x = 22,142.01

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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.