Home / 28,015.10-41,965.05-19,259.90

Finding the Fourth Proportional to 28,015.10, 41,965.05 and 19,259.90

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Solution

The fourth proportional to 28,015.10, 41,965.05 and 19,259.90 is: 28,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.10 : 41,965.05 = 19,259.90 : x
  2. Step 2: Convert to fraction form
    28,015.10/41,965.05 = 19,259.90/x
  3. Step 3: Cross multiply
    28,015.10x = 41,965.05 × 19,259.90
  4. Step 4: Simplify right side
    28,015.10x = 808,242,666.50
  5. Step 5: Solve for x
    x = 808,242,666.50/28,015.10
  6. Step 6: Final answer
    x = 28,850.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.