Home / 28,904.67-43,352.47-9,180.63

Finding the Fourth Proportional to 28,904.67, 43,352.47 and 9,180.63

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Solution

The fourth proportional to 28,904.67, 43,352.47 and 9,180.63 is: 13,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.67 : 43,352.47 = 9,180.63 : x
  2. Step 2: Convert to fraction form
    28,904.67/43,352.47 = 9,180.63/x
  3. Step 3: Cross multiply
    28,904.67x = 43,352.47 × 9,180.63
  4. Step 4: Simplify right side
    28,904.67x = 398,002,986.66
  5. Step 5: Solve for x
    x = 398,002,986.66/28,904.67
  6. Step 6: Final answer
    x = 13,769.50

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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.