Home / 28,826.43-39,775.91-16,248.75

Finding the Fourth Proportional to 28,826.43, 39,775.91 and 16,248.75

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Solution

The fourth proportional to 28,826.43, 39,775.91 and 16,248.75 is: 22,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.43 : 39,775.91 = 16,248.75 : x
  2. Step 2: Convert to fraction form
    28,826.43/39,775.91 = 16,248.75/x
  3. Step 3: Cross multiply
    28,826.43x = 39,775.91 × 16,248.75
  4. Step 4: Simplify right side
    28,826.43x = 646,308,736.37
  5. Step 5: Solve for x
    x = 646,308,736.37/28,826.43
  6. Step 6: Final answer
    x = 22,420.70

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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.