Home / 28,923.18-39,913.44-16,347.66

Finding the Fourth Proportional to 28,923.18, 39,913.44 and 16,347.66

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Solution

The fourth proportional to 28,923.18, 39,913.44 and 16,347.66 is: 22,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.18 : 39,913.44 = 16,347.66 : x
  2. Step 2: Convert to fraction form
    28,923.18/39,913.44 = 16,347.66/x
  3. Step 3: Cross multiply
    28,923.18x = 39,913.44 × 16,347.66
  4. Step 4: Simplify right side
    28,923.18x = 652,491,346.55
  5. Step 5: Solve for x
    x = 652,491,346.55/28,923.18
  6. Step 6: Final answer
    x = 22,559.46

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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.