Home / 27,127.02-40,679.58-8,402.64

Finding the Fourth Proportional to 27,127.02, 40,679.58 and 8,402.64

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Solution

The fourth proportional to 27,127.02, 40,679.58 and 8,402.64 is: 12,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.02 : 40,679.58 = 8,402.64 : x
  2. Step 2: Convert to fraction form
    27,127.02/40,679.58 = 8,402.64/x
  3. Step 3: Cross multiply
    27,127.02x = 40,679.58 × 8,402.64
  4. Step 4: Simplify right side
    27,127.02x = 341,815,866.09
  5. Step 5: Solve for x
    x = 341,815,866.09/27,127.02
  6. Step 6: Final answer
    x = 12,600.57

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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.