Home / 27,431.09-41,148.06-8,712.60

Finding the Fourth Proportional to 27,431.09, 41,148.06 and 8,712.60

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Solution

The fourth proportional to 27,431.09, 41,148.06 and 8,712.60 is: 13,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.09 : 41,148.06 = 8,712.60 : x
  2. Step 2: Convert to fraction form
    27,431.09/41,148.06 = 8,712.60/x
  3. Step 3: Cross multiply
    27,431.09x = 41,148.06 × 8,712.60
  4. Step 4: Simplify right side
    27,431.09x = 358,506,587.56
  5. Step 5: Solve for x
    x = 358,506,587.56/27,431.09
  6. Step 6: Final answer
    x = 13,069.35

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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.