Home / 28,449.56-39,267.42-17,280.92

Finding the Fourth Proportional to 28,449.56, 39,267.42 and 17,280.92

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Solution

The fourth proportional to 28,449.56, 39,267.42 and 17,280.92 is: 23,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.56 : 39,267.42 = 17,280.92 : x
  2. Step 2: Convert to fraction form
    28,449.56/39,267.42 = 17,280.92/x
  3. Step 3: Cross multiply
    28,449.56x = 39,267.42 × 17,280.92
  4. Step 4: Simplify right side
    28,449.56x = 678,577,143.63
  5. Step 5: Solve for x
    x = 678,577,143.63/28,449.56
  6. Step 6: Final answer
    x = 23,851.94

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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.