Home / 27,130.08-40,694.76-7,408.80

Finding the Fourth Proportional to 27,130.08, 40,694.76 and 7,408.80

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Solution

The fourth proportional to 27,130.08, 40,694.76 and 7,408.80 is: 11,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.08 : 40,694.76 = 7,408.80 : x
  2. Step 2: Convert to fraction form
    27,130.08/40,694.76 = 7,408.80/x
  3. Step 3: Cross multiply
    27,130.08x = 40,694.76 × 7,408.80
  4. Step 4: Simplify right side
    27,130.08x = 301,499,337.89
  5. Step 5: Solve for x
    x = 301,499,337.89/27,130.08
  6. Step 6: Final answer
    x = 11,113.10

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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.