Home / 28,395.90-39,186.45-16,466.27

Finding the Fourth Proportional to 28,395.90, 39,186.45 and 16,466.27

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Solution

The fourth proportional to 28,395.90, 39,186.45 and 16,466.27 is: 22,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.90 : 39,186.45 = 16,466.27 : x
  2. Step 2: Convert to fraction form
    28,395.90/39,186.45 = 16,466.27/x
  3. Step 3: Cross multiply
    28,395.90x = 39,186.45 × 16,466.27
  4. Step 4: Simplify right side
    28,395.90x = 645,254,470.11
  5. Step 5: Solve for x
    x = 645,254,470.11/28,395.90
  6. Step 6: Final answer
    x = 22,723.51

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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.