Home / 28,298.25-39,054.23-16,360.87

Finding the Fourth Proportional to 28,298.25, 39,054.23 and 16,360.87

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Solution

The fourth proportional to 28,298.25, 39,054.23 and 16,360.87 is: 22,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.25 : 39,054.23 = 16,360.87 : x
  2. Step 2: Convert to fraction form
    28,298.25/39,054.23 = 16,360.87/x
  3. Step 3: Cross multiply
    28,298.25x = 39,054.23 × 16,360.87
  4. Step 4: Simplify right side
    28,298.25x = 638,961,179.98
  5. Step 5: Solve for x
    x = 638,961,179.98/28,298.25
  6. Step 6: Final answer
    x = 22,579.53

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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.