Home / 28,449.06-39,266.73-17,280.42

Finding the Fourth Proportional to 28,449.06, 39,266.73 and 17,280.42

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Solution

The fourth proportional to 28,449.06, 39,266.73 and 17,280.42 is: 23,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.06 : 39,266.73 = 17,280.42 : x
  2. Step 2: Convert to fraction form
    28,449.06/39,266.73 = 17,280.42/x
  3. Step 3: Cross multiply
    28,449.06x = 39,266.73 × 17,280.42
  4. Step 4: Simplify right side
    28,449.06x = 678,545,586.43
  5. Step 5: Solve for x
    x = 678,545,586.43/28,449.06
  6. Step 6: Final answer
    x = 23,851.25

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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.