Home / 28,186.93-42,270.57-9,462.97

Finding the Fourth Proportional to 28,186.93, 42,270.57 and 9,462.97

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Solution

The fourth proportional to 28,186.93, 42,270.57 and 9,462.97 is: 14,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.93 : 42,270.57 = 9,462.97 : x
  2. Step 2: Convert to fraction form
    28,186.93/42,270.57 = 9,462.97/x
  3. Step 3: Cross multiply
    28,186.93x = 42,270.57 × 9,462.97
  4. Step 4: Simplify right side
    28,186.93x = 400,005,135.79
  5. Step 5: Solve for x
    x = 400,005,135.79/28,186.93
  6. Step 6: Final answer
    x = 14,191.16

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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.