Home / 75,028.90-112,528.50-21,727.12

Finding the Fourth Proportional to 75,028.90, 112,528.50 and 21,727.12

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Solution

The fourth proportional to 75,028.90, 112,528.50 and 21,727.12 is: 32,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,028.90 : 112,528.50 = 21,727.12 : x
  2. Step 2: Convert to fraction form
    75,028.90/112,528.50 = 21,727.12/x
  3. Step 3: Cross multiply
    75,028.90x = 112,528.50 × 21,727.12
  4. Step 4: Simplify right side
    75,028.90x = 2,444,920,222.92
  5. Step 5: Solve for x
    x = 2,444,920,222.92/75,028.90
  6. Step 6: Final answer
    x = 32,586.38

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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.