Home / 28,958.84-43,440.69-9,240.20

Finding the Fourth Proportional to 28,958.84, 43,440.69 and 9,240.20

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Solution

The fourth proportional to 28,958.84, 43,440.69 and 9,240.20 is: 13,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.84 : 43,440.69 = 9,240.20 : x
  2. Step 2: Convert to fraction form
    28,958.84/43,440.69 = 9,240.20/x
  3. Step 3: Cross multiply
    28,958.84x = 43,440.69 × 9,240.20
  4. Step 4: Simplify right side
    28,958.84x = 401,400,663.74
  5. Step 5: Solve for x
    x = 401,400,663.74/28,958.84
  6. Step 6: Final answer
    x = 13,861.08

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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.