Home / 28,873.96-39,856.66-16,947.30

Finding the Fourth Proportional to 28,873.96, 39,856.66 and 16,947.30

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Solution

The fourth proportional to 28,873.96, 39,856.66 and 16,947.30 is: 23,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.96 : 39,856.66 = 16,947.30 : x
  2. Step 2: Convert to fraction form
    28,873.96/39,856.66 = 16,947.30/x
  3. Step 3: Cross multiply
    28,873.96x = 39,856.66 × 16,947.30
  4. Step 4: Simplify right side
    28,873.96x = 675,462,774.02
  5. Step 5: Solve for x
    x = 675,462,774.02/28,873.96
  6. Step 6: Final answer
    x = 23,393.49

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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.