Home / 27,130.02-40,684.08-8,405.64

Finding the Fourth Proportional to 27,130.02, 40,684.08 and 8,405.64

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Solution

The fourth proportional to 27,130.02, 40,684.08 and 8,405.64 is: 12,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.02 : 40,684.08 = 8,405.64 : x
  2. Step 2: Convert to fraction form
    27,130.02/40,684.08 = 8,405.64/x
  3. Step 3: Cross multiply
    27,130.02x = 40,684.08 × 8,405.64
  4. Step 4: Simplify right side
    27,130.02x = 341,975,730.21
  5. Step 5: Solve for x
    x = 341,975,730.21/27,130.02
  6. Step 6: Final answer
    x = 12,605.07

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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.