Home / 28,973.40-43,432.36-9,241.08

Finding the Fourth Proportional to 28,973.40, 43,432.36 and 9,241.08

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Solution

The fourth proportional to 28,973.40, 43,432.36 and 9,241.08 is: 13,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.40 : 43,432.36 = 9,241.08 : x
  2. Step 2: Convert to fraction form
    28,973.40/43,432.36 = 9,241.08/x
  3. Step 3: Cross multiply
    28,973.40x = 43,432.36 × 9,241.08
  4. Step 4: Simplify right side
    28,973.40x = 401,361,913.35
  5. Step 5: Solve for x
    x = 401,361,913.35/28,973.40
  6. Step 6: Final answer
    x = 13,852.77

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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.