Home / 27,152.07-40,734.47-8,431.14

Finding the Fourth Proportional to 27,152.07, 40,734.47 and 8,431.14

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Solution

The fourth proportional to 27,152.07, 40,734.47 and 8,431.14 is: 12,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.07 : 40,734.47 = 8,431.14 : x
  2. Step 2: Convert to fraction form
    27,152.07/40,734.47 = 8,431.14/x
  3. Step 3: Cross multiply
    27,152.07x = 40,734.47 × 8,431.14
  4. Step 4: Simplify right side
    27,152.07x = 343,438,019.40
  5. Step 5: Solve for x
    x = 343,438,019.40/27,152.07
  6. Step 6: Final answer
    x = 12,648.69

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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.