Home / 28,098.54-42,147.81-15,612.59

Finding the Fourth Proportional to 28,098.54, 42,147.81 and 15,612.59

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Solution

The fourth proportional to 28,098.54, 42,147.81 and 15,612.59 is: 23,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.54 : 42,147.81 = 15,612.59 : x
  2. Step 2: Convert to fraction form
    28,098.54/42,147.81 = 15,612.59/x
  3. Step 3: Cross multiply
    28,098.54x = 42,147.81 × 15,612.59
  4. Step 4: Simplify right side
    28,098.54x = 658,036,476.93
  5. Step 5: Solve for x
    x = 658,036,476.93/28,098.54
  6. Step 6: Final answer
    x = 23,418.89

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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.