Home / 28,823.56-39,778.44-16,248.28

Finding the Fourth Proportional to 28,823.56, 39,778.44 and 16,248.28

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Solution

The fourth proportional to 28,823.56, 39,778.44 and 16,248.28 is: 22,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.56 : 39,778.44 = 16,248.28 : x
  2. Step 2: Convert to fraction form
    28,823.56/39,778.44 = 16,248.28/x
  3. Step 3: Cross multiply
    28,823.56x = 39,778.44 × 16,248.28
  4. Step 4: Simplify right side
    28,823.56x = 646,331,231.08
  5. Step 5: Solve for x
    x = 646,331,231.08/28,823.56
  6. Step 6: Final answer
    x = 22,423.71

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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.