Home / 28,617.54-42,934.59-11,968.98

Finding the Fourth Proportional to 28,617.54, 42,934.59 and 11,968.98

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Solution

The fourth proportional to 28,617.54, 42,934.59 and 11,968.98 is: 17,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.54 : 42,934.59 = 11,968.98 : x
  2. Step 2: Convert to fraction form
    28,617.54/42,934.59 = 11,968.98/x
  3. Step 3: Cross multiply
    28,617.54x = 42,934.59 × 11,968.98
  4. Step 4: Simplify right side
    28,617.54x = 513,883,249.02
  5. Step 5: Solve for x
    x = 513,883,249.02/28,617.54
  6. Step 6: Final answer
    x = 17,956.93

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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.