Home / 30,962.44-42,709.62-28,888.84

Finding the Fourth Proportional to 30,962.44, 42,709.62 and 28,888.84

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Solution

The fourth proportional to 30,962.44, 42,709.62 and 28,888.84 is: 39,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,962.44 : 42,709.62 = 28,888.84 : x
  2. Step 2: Convert to fraction form
    30,962.44/42,709.62 = 28,888.84/x
  3. Step 3: Cross multiply
    30,962.44x = 42,709.62 × 28,888.84
  4. Step 4: Simplify right side
    30,962.44x = 1,233,831,378.64
  5. Step 5: Solve for x
    x = 1,233,831,378.64/30,962.44
  6. Step 6: Final answer
    x = 39,849.29

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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.