Home / 28,500.54-42,727.75-11,873.06

Finding the Fourth Proportional to 28,500.54, 42,727.75 and 11,873.06

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Solution

The fourth proportional to 28,500.54, 42,727.75 and 11,873.06 is: 17,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.54 : 42,727.75 = 11,873.06 : x
  2. Step 2: Convert to fraction form
    28,500.54/42,727.75 = 11,873.06/x
  3. Step 3: Cross multiply
    28,500.54x = 42,727.75 × 11,873.06
  4. Step 4: Simplify right side
    28,500.54x = 507,309,363.45
  5. Step 5: Solve for x
    x = 507,309,363.45/28,500.54
  6. Step 6: Final answer
    x = 17,799.99

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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.